In an ecosystem a population can be defimed as
Answers
Answer: In an ecosystem, a population is a group of animals that live in the same area and are the same species. For example, a herd of zebras would be a population, but a horse would not be considered apart of the population because it is a different species than the zebra. (a species are animals that can mate and produce offspring that can also mate).
Related Questions
Which of the following is NOT a correct statement regarding the theory of evolution?
1. The offspring of a species with the most favorable traits have the best chance for survival.
2. All organisms evolve at the same rate.
3. The offspring of a species compete with each other for limited resources.
4. All organisms in a species are genetically unique.
Answers
Answer:
B is the incorrect answer because every species has their own rate
Explanation:
Answer:
B is the incorrect answer because every species has their own rate
Explanation:
A mother is heterozygous for Type B blood and a father has type O blood, what is the probability of the offspring having Type B blood
A. 25%
B. 0%
C. 50%
D. 100%
E. 75%
Answers
Answer:
D
Explanation:
Using the following words, describe in one 5- sentence paragraph what happens in the water cycle: precipitation, evaporation, condensation, transpiration, runoff, infiltration, solid, liquid, gas.
Answers
Water cycle is water circulation on Earth. It goes from liquid, to gas, to solid, to liquid state again. As water moves thourgh the cycle, it suffers evaporation, precipitation, infiltration, and runsoff.
What is the water cycle?
The water cycle is the water circulation process on the Earth, passing through its different states, and impulsed by solar energy. The cycle repeats continuously.
As water moves along the cycle, it suffers different transformations (gas ⇔ liquid ⇔ solid). It can suffer,
- evaporation
- condensation
- precipitation
- collection
Evaporation
Water evaporates from different water mass surfaces, turning from liquid to gas state. These gases move forward to the atmosphere.
Condensation
Once in the atmosphere, water in its gas state reaches heights of low temperature, where it condenses and returns to its liquid state. Drops of water accumulate in clouds.
Precipitation
When water drops are too big, they break equilibrium and precipitate creating rain. Depending on the temperature at which they are exposed, precipitations might be either drop (liquid), snow, or hail (solid).
Collection
It refers to the destiny of water on Earth. Once it gets to the surface, water can end
in water bodies like rivers, oceans, and streams.
taken and consumed by living beings.
infiltrating on the ground where it accumulates (underground water). It depends on the ground permeability and plant cover.
running off, which occurs when the ground is too eroded and compact, and water can not infiltrate. So it moves over the surface until it reaches a lower plane area. It might end up evaporating, being consumed, or in a water body.
And so the cycle begins again.
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Identify the factor below as genetic or environmental factors that may influence susceptibility to disease?
Answers
Answer: in order age to exercise,
genetic, environmental
Which of the following does NOT slow down or stop an enzyme's rate of
reaction?
Ohigh heat
O a lot of enzymes breaking down substrates
Odrastic change in pH
incorrect linking of amino acids (which changes the shape of the enzyme)
Answers
A lot of enzymes breaking down substrates does NOT slow down or stop an enzyme's rate of reaction.
By lowering the activation energy and consequently raising the rate of reaction, enzymes (and other catalysts) work. Since both directions must travel through the same transition state, the increased rate is the same in both the forward and reverse directions.An enzyme is a specific type of protein found inside of cells that catalyses chemical reactions necessary for maintaining life within the body. The important functions that enzymes perform are their purpose. These entail the development of muscles, the elimination of toxins, and the breakdown of food molecules during digestion.The biochemical modification of the enzyme—phosphorylation—or the use of positive modulators with low molecular weight can both speed up the activation of the enzyme. It is theoretically possible to bind molecules to enzymes to increase catalysis, just like with receptor agonists.To know more about enzymes check the below link:
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Which statement best describes acceleration?
Answers
Answer: Which statement best describes acceleration? Acceleration is the rate of change of velocity of an object.
Explanation:
However, by comparing the of these organisms, many similarities between them are revealed. These similarities suggest that they're linked. This type of study is called developmental biology.
Answers
Complete Question:
1. Organisms don’t all reproduce the same way. However, by comparing the ____ of these organisms, many similarities between them are ____
2. of these organisms, many similarities between them are revealed. These similarities suggest that they’re ___ linked. This type of study is called developmental biology.
Group of answer choices.
A) Cells B) Embryos C) Mode of reproduction D) Evolutionarily. E). Revealed.
Answer:
embryo; revealed; evolutionarily.
Explanation:
Reproduction can be defined as a biological process which typically involves living organisms producing an offspring.
Basically, there are two (2) methods of reproduction and these are;
I. Asexual reproduction: it involves the cloning of a living organism to produce an offspring because there is only a single parent.
II. Sexual reproduction: it involves the combination of the genome (gamete) of a male and female living organism during fertilization.
It's a fact that all living organisms do not reproduce the same way.
However, by comparing the embryo of these organisms, many similarities between them are revealed. These similarities suggest that they’re evolutionarily linked.
Hence, we refer to this type of study as developmental biology
breathing mechanism of fish
Answers
Answer:
Breathing Mechanism of Fish. Fish have gills which help them breathe oxygen directly from water without any need to surface. The fish takes water through its mouth, pushing it over the gills and back out through the gill slits. The oxygen enters the blood vessels after being filtered by the gills.
Explanation:
Fish have Gills
Answer:
Fish breathe with the aid of gills.
Explanation:
They take the water rich in oxygen through their mouth and pump it over their gills.
Purple flowers are dominant to white flowers. Which of the following phenotypes would (PP) reflect?
A. Purple
B. White
Answers
Answer:
A. Purple
Explanation:
Since purple flowers are dominant to white flowers, the letter for it need to be capital too to signify dominance. So purple flowers is PP.
which of the following is true of plant cells? which of the following is true of plant cells? plant cells are always much larger than animal cells. only plant cells have a cell membrane. the plant cell has no cell wall. plant cells may contain chloroplasts. chromosomes are found only in plant cells.
Answers
Of the statements provided, the following is true of plant cells: Plant cells may contain chloroplasts.
Plant cells are unique in their ability to undergo photosynthesis, a process that converts light energy into chemical energy using chlorophyll present in chloroplasts. Chloroplasts are organelles found in plant cells that are responsible for this photosynthetic activity. They contain chlorophyll and other pigments that capture light energy, allowing plants to produce glucose and oxygen. The other statements provided are not accurate:
- Plant cells are not always much larger than animal cells. Cell size can vary depending on the specific type and function of the cell.
- Both plant and animal cells have a cell membrane. The cell membrane is a universal feature of all cells, serving as a selective barrier that controls the movement of substances in and out of the cell.
- Plant cells have a cell wall, which provides structural support and protection. Animal cells do not have a cell wall, but they do have other structural elements like the extracellular matrix.
- Chromosomes are found in both plant and animal cells. Chromosomes carry genetic information and are present in the nucleus of eukaryotic cells, including both plant and animal cells.
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How does a build up of decay plants affect the forest floor
Answers
The buildup of decaying plant material, also known as "duff," can have both positive and negative effects on the forest floor, depending on the amount and type of plant material and other factors.
On the positive side, the buildup of duff can help to:
Retain moisture: Duff acts as a sponge, absorbing and holding moisture from rain and snowmelt, which helps to maintain soil moisture levels and support the growth of plants and trees.Provide nutrients: As plant material decomposes, it releases nutrients back into the soil, which can benefit the growth of new plants and trees.Prevent soil erosion: Duff helps to protect the soil surface from erosion by wind and water, which can be especially important on steep slopes and areas with high rainfall or snowmelt.On the negative side, the buildup of duff can also:
Increase the risk of forest fires: Duff is highly flammable, and when it builds up to excessive levels, it can increase the risk of forest fires by providing more fuel for the fire.Inhibit the growth of new plants: In some cases, duff can become so thick that it prevents new plant growth, as seeds and seedlings may not be able to penetrate the thick layer of decaying plant material.Create habitat for pests and diseases: Duff can provide habitat for pests and diseases that can harm trees and other plants in the forest.Overall, the buildup of duff on the forest floor can have both positive and negative effects on the ecosystem, and land managers must carefully balance the benefits and risks when making decisions about forest management.
if you could genetically engineer any species of organism, what would it
be? Would it be a unicorn? A dog-cat hybrid? Your own personal pet
giant? Choose any species-real or not-that your imagination desires! Someone help please :(
Answers
The strains and media used in a bacterial conjugation are described below. After you have reviewed the information, match up the strains with their growth properties. Strains: CS4020: Flac trp/Alacatrp: Leu",Strs (this strain is not able to make its own leucine and is sensitive to Streptomycin: contains a plasmid with genes for making tryptophan and utilizing lactose) CS402R: F. Alacatrp, Stra: Trp, Str" (this strain is not able to make its own tryptophan or utilize lactose and is resistant to Streptomycin) Media: GM glucose minimal salts GMS - glucose minimal salts + streptomycin GML - glucose minimal salts + leucine GMTS - glucose minimal salts + streptomycin + tryptophan Procedure CS402D and CS402R are mixed together in a mating experiment and the F' plasmid is transferred from the donor to the recipient. Recipient bacteria that have taken up the F' factor (called exconjugants) constitute a new strain which has growth requirements that differ from the two "parental strains. We will name this new strain CS402E. Procedure CS402D and CS402R are mixed together in a mating experiment and the F'plasmid is transferred from the donor to the recipient. Recipient bacteria that have taken up the F'factor (called exconjugants) constitute a new strain which has growth requirements that differ from the two "parental" strains. We will name this new strain CS402E. Can grow on GMS CS402D . Can grow on GM CS402D Can grow on GML CS402R Can grow on GMTS CS402E
Answers
The strains and media used in a bacterial conjugation are described below. After you have reviewed the information, match up the strains with their growth properties. Strains: CS4020: Fla trp/Alacatrp : Leu", Strs (this strain is not able to make its own leucine and is sensitive to Streptomycin: contains a plasmid with genes for making tryptophan and utilizing lactose)CS402R: F.
Alacatrp, Stra: Trp, Str" (this strain is not able to make its own tryptophan or utilize lactose and is resistant to Streptomycin)Media: GM glucose minimal salts GMS - glucose minimal salts + streptomycin GML - glucose minimal salts + leucine GMTS - glucose minimal salts + streptomycin + tryptophan The recipient bacteria that have taken up the F' factor (called exconjugants) constitute a new strain which has growth requirements that differ from the two "parental" strains. We will name this new strain CS402E. Can grow on GMS CS402D. Can grow on GM CS402D. Can grow on GML CS402R. Can grow on GMTS CS402E.Conjugation is the transfer of genetic material, including DNA and plasmids, between bacteria, resulting in recombinant genetic material and genetic diversity. It's one of the several methods bacteria use to swap genetic material, along with transduction and transformation.
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an albino corn snake is crossed with a normal-colored corn snake. the offspring are all normal-colored. when these first-generation progeny snakes are crossed among themselves, they produce 32 normal-colored snakes and 10 albino snakes. which of these phenotypes is controlled by the dominant allele?
Answers
The normal-colored phenotype is controlled by the dominant allele.
The normal-colored phenotype is controlled by the dominant allele because when the albino corn snake is crossed with the normal-colored corn snake, all of the offspring are normal-colored. This suggests that the normal-colored phenotype is dominant over the albino phenotype, meaning that the normal-colored phenotype is controlled by the dominant allele.
When the first-generation progeny snakes are crossed among themselves, they produce 32 normal-colored snakes and 10 albino snakes, further confirming that the normal-colored phenotype is controlled by the dominant allele.
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What are 2 things to all cells have?
Answers
Answer:
All cells have CYTOPLASM and DNA.
Explanation:
my answer got deleted.
A and B represent two plates interacting; what kind of plates are they?A) Plate A is oceanic and Plate B is continental B) Plate A is continental and Plate B is oceanic C) Plate A is oceanic and Plate B is oceanic D) Plate A is continental and Plate B is continental
Answers
The photo shows a subduction zone between two oceanic plates. When two oceanic plates are converging, one is overridden and the other is pushed down the asthenosphere. The boundary of the subduction zone is usually marked by deep trenches.
ANSWER: C) Plate A is oceanic and Plate B is oceanic.
Multicellular organisms show a division of labor and specialization between different tissues, yet every cell must make its own
A.) fatty acids.
B.) glucose.
C.) bile.
D.) O2.
E.) ATP.
Answers
Although multicellular organisms exhibit a division of labor and tissue specialization, each cell still needs to produce its own ATP.
The number of cells in multicellular organisms ranges from millions to trillions. These cells all carry out distinct tasks. In the body, tissues are made up of all the cells that have been trained to carry out certain tasks. Thus, a set of cells at a specific location in the body perform a specific function. Similar to how distinct functions are carried out by several groups of cells inside an organism, multicellular organisms have a division of labor.
ATP is created when energy from storage molecules is required by the cell. Then, ATP acts as a shuttle, transporting energy to regions of the cell where energy-intensive processes are occurring. The net result of every cellular electron transfer involving ATP is the synthesis of ATP molecules.
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Question 1 (5 points)
The energy driving Earth's systems comes from two sources: heat from the sun and heat flowing out of the moon as it cools at night.
True
False
Question 2 (5 points)
a
The number of fossils would decrease as the layers accumulate.
b
The types of fossils would be similar but would show gradual structural changes.
c
The number of fossils would rise and then immediately disappear.
d
The types of fossils would stay exactly the same in every layer.
Question 3 (5 points)
True or False: A system is a group of parts that work together as a whole.
True
False
Question 4 (5 points)
a
b
c
d
Question 5 (5 points)
This is the principle of _________________ which includes natural processes of all different rates, from abrupt and extreme to barely detectable and very slow.
a
Catastrophism
b
Uniformitarianism
c
Gradualism
d
Biosphere
Question 6 (5 points)
Oceans cover more than ____________of the Earth's surface, making the oceans the largest part of the hydrosphere.
a
40%
b
50
c
60%
d
70%
Question 7 (4 points)
Earth's atmosphere is a mixture of gases, primarily _____________ and ________________.
a
Oxygen and Hydrogen
b
Nitrogen and Hydrogen
c
Nitrogen and Oxygen
d
Oxygen and Helium
Question 8 (5 points)
a
b
c
d
Question 9 (10 points)
Read the questions below and match the correct answer.
Column A
1.
what is called the thin layer of air extending from the surface of the Earth to space.:
what is called the thin layer of air extending from the surface of the Earth to space.
2.
This part of the system consists of all of the water on a planet.:
This part of the system consists of all of the water on a planet.
3.
This is the part of the Earth system that includes rocks, minerals, and landforms on the surface, as well as the molten rock and metals in the planet's interior.:
This is the part of the Earth system that includes rocks, minerals, and landforms on the surface, as well as the molten rock and metals in the planet's interior.
4.
This system consists of the regions of the atmosphere, geosphere, and hydrosphere that are that are occupied by living organisms.:
This system consists of the regions of the atmosphere, geosphere, and hydrosphere that are that are occupied by living organisms.
Column B
a.Bioshpere
b.Geosphere
c.Hydrosphere
d.Atmosphere
Question 10 (4 points)
Numerical Weather Prediction (NWP), atmospheric data from many sources are plugged into supercomputers running complex mathematical models.
True
False
Question 11 (5 points)
The Earth system involves a constant flow of matter through different parts. The flow of matter is caused by _____________________.
a
Energy
b
Resources
c
Gravity
d
Inertia
Question 12 (5 points)
In this image you can see how _______________ has slowly carved away at the mountains.
a
Volcanoes
b
Wind Erosion
c
Storm Erosion
d
Acid Rain
Question 13 (5 points)
Geologic change on Earth's surface may occur suddenly as the result of events, such as an explosive volcanic eruption, an earthquake, or a landslide.
a
Catastrophism
b
Uniformitarianism
c
Experimentation
d
Gradualism
Question 14 (4 points)
Landforms are created and destroyed by competing forces.
True
False
Question 15 (4 points)
Word Bank: Competing Forces, Deposited Sediment, Destructive Forces, Constructive Forces,
1. Landforms are created and destroyed by
2. Physical features on Earth’s surface are caused to grow by
3. This force wears down landforms
4. This can cause landforms to grow
Blank 1:
Blank 2:
Blank 3:
Blank 4:
Question 16 (5 points)
The processes of ___________ and erosion work over time to change once high mountains into smooth, flat plateaus.
a
Climate Change
b
Weathering
c
Gravitational Pull
Question 17 (5 points)
This image below is an example of _________________.
a
A Solar Eclipse striking Earth
b
A UFO striking Earth
c
A comet striking Earth
d
A meteorite striking Earth
Question 18 (4 points)
Weather prediction is extremely valuable for reducing property damage and even fatalities.
True
False
Question 19 (5 points)
Column A
1.
A:
A
2.
B:
B
3.
C:
C
4.
D:
D
Column B
a.Inner Core
b.Outer Core
c.Mantle
d.Crust
Question 20 (5 points)
View the gif below and answer the question.
What process does this gif best represent?
a
Seafloor spreading
b
Convection cycles in the mantle
c
Radiation in the mantle
d
Conduction cycles in the mantle
Answers
Answer:
the answer will be False
Living things that have a big effect on all the other living things in their ecosystem are called
Answers
Answer: if it's there try biotic factors. don't mark me brain-liest as i'm not sure.
Explanation:
Living things that have a big effect on all the other living things in their ecosystem are called biotic factors.
What is ecosystem?An ecosystem is a region where a bubble of life is created by plants, animals, and other organisms interacting with the weather, environment, and other factors.
Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, and other species are biotic factors.
A community of living things (plants, animals, and bacteria) in a specific location is called an ecosystem. Eco refers to a region of the planet, while system refers to the organising elements.
An ecosystem's biological components are referred to as biotic factors, and the external environmental variables with which they interact are referred to as abiotic factors.
Thus, the answer is biotic factors.
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In the box provided explain why living organisms
contain more hydrogen atoms than any other
atoms, yet 65% of a typical organisin's mass is
oxygen
Answers
Answer:
why do living organisms contain more hydrogen atoms than any other atoms, yet 65% of a typical organism's mass is oxygen? A large portion of an organism's mass is in the form of water. Water contains two hydrogen atoms and one oxygen atom. The mass of oxygen is sixteen times that of hydrogen.
Answer:
i copy pasted the question twice and that works idk why tho bu heyy
Explanation:
Some plants have a waxy covering on their leaves. How does the waxy covering help
the plant to survive?
O It allows the plant leaves to grow wider and collect more sunlight.
It discourages predators from eating the plant.
It helps the plant reproduce faster in colder environments.
O It helps the plant keep its moisture in hot weather conditions.
Answers
Answer:
It helps the plant retain water.
The waxy covering on plant leaves, young stems, and fruit is called the "cuticle". It is composed of cutin, a wax-like material produced by the plant that is chemically a hydroxy fatty acid. The purpose of this covering is to help the plant retain water.
Answer:
D. It helps the plant keep its moisture in hot weather conditions.
Explanation:
how low-cost water leads to waste of fresh water in irrigation, industries, and homes?
Answers
Up to 50% of the groundwater we use outside is lost to the elements including wind, evaporation, and runoff brought on by ineffective irrigation techniques, businesses, and infrastructure.
How does evaporation explain itself?A liquid transforms into a gas during evaporation. It is simple to picture when puddles of rain "vanish" on a hot day and when wet clothing dries in the sun. In these instances, the sea phase is draining into a gas known as water vapor rather than really dissipating. Global evaporation takes place.
Why is the evaporation process so crucial?Wind panels, or heat from the sun, is what causes the evaporation process to occur. It takes on moisture from garden soil as well as the biggest lakes and oceans. As the water is uncovered to the sun's heat, its level will drop.
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determine if the following statement is true or false. a man with blood type a and a woman with blood type b can have a baby with blood type o.
Answers
A baby with blood type O can be born to a blood type A male and a blood type B woman. - True, as both people may have a type O allele even if A and B are the predominant blood types.
What are the 7 blood types?The eight most frequent blood types are A+, A-, B+, B-, O+, O-, AB+, AB-. In addition to the A and B antigens, the Rh factor is a protein that can either be present (+) or lacking (-). (-).The least common blood types are B negative (B -ve), which make up just 1.5% of the population. AB negative, or AB -ve, which makes up 0.6% of the population. AB positive (AB +ve), which affects 3.4% of the population as a whole.
What blood type is O negative and what is the golden blood type?Blood type O negative is the most common. Only O negative blood can be received by O negative blood types. Because it is the most safest blood for transfusions for newborns with immunological deficiencies, O negative donors who are also CMV negative are referred to as Heroes for Babies at the Red Cross.
Rh-null is one of the rarest blood types in the world. Due to the absence of any Rh antigens, this blood type can't be Rh negative. Less than 50 individuals have this blood type. It is also known as "golden blood" at times.
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which is the acceptable administration route for Vincristine?
A-intrapertoneal
B-intravenous
C-intravesicular
D- intrathecal
Answers
The acceptable administration route for Vincristine is intravenous (IV). The correct option is B
What is Vincristine ?Leukemia, lymphoma, and sarcoma are just a few of the cancers that are handled by the chemotherapy medication vincristine. Because it is a vesicant, if it seeps out of a vein, it can seriously harm tissue. Vincristine should only be given intravenously for this reason.
The other options are not suitable ways to administer vincristine. To administer medication straight into the abdomen, employ intraperitoneal (IP) administration. Medication is delivered directly into the bladder through intravenous (IV) injection. Medication is delivered directly into the cerebrospinal fluid by intrathecal (IT) injection. Because it might have major side effects such paralysis and nerve damage, vincristine is normally not given through these routes.
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Whats a hypothesis for “Which bait works better for a homemade fly trap?”
Answers
Answer:
If I use the correct bait, then I will have a successful homemade fly trap.
Explanation:
A hypothesis is always an "if, then" statement
3 característica sostenibilidad energética
Answers
im hispanic but put it in english and then i could help you for sure i promise ill edit my answer and everything solo pongalo en ingles por favor
What is the main job of the digestive system?
Answers
the main job of the digestive system is to turn the food you eat into the nutrients and energy. the nutrients and energy made from the food u eat helps you to survive. your body also uses these nutrients for growth and repair
When muscles are active, cells use nutrients and oxygen at a higher rate and produce waste chemicals and heat more rapidly. Describe how the interaction of two or more body systems helps to maintain homeostasis during periods of high muscle activity?
Answers
When muscles are active circulatory system and the excretory system help to maintain homeostasis.
How does homeostasis maintain?The circulatory system delivers the oxygen that is taken in by the respiratory system to the cells. An increased heart rate will speed up the delivery of oxygen to the cells since they consume it more quickly.
Waste will be created when muscular activity rises, and the excretory system will eliminate it.
Therefore during muscle activity for oxygen and waste circulatory system and the excretory system maintain homeostasis.
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How long does it take for sedimentary rock to melt into magma
Answers
Answer:
1.3 million years
__________ are useful in collecting blood specimens from small or fragile veins that cannot withstand the pressure of an evacuated tube.
Answers
Syringes are useful in collecting blood specimens from small or fragile veins that cannot withstand the pressure of an evacuated tube.
Veins are the blood vessels which carry the deoxygenated blood from the tissues and other parts of the body and deliver it to the heart for purification. They work together with other blood vessels and your heart to keep your blood moving. Veins hold the maximum amount of the blood in your body.
Syringes may be useful in drawing blood from newborns or other patients with tiny, fragile, or rolling veins that would not be able to hold the vacuum pressure from evacuated tubes. A phlebotomist controls the amount of pressure exerted by the syringe by slowly pulling back the plunger. Syringes may also be used with winged infusion sets.
For prevention of hemolysis when using transfer devices, use only the tube’s vacuum and not the plunger to transfer the blood from the syringe into the evacuated tube.
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