Answers
Answer:
the excretory system
Related Questions
The picture below shows flowers on a tomato plant.
Lacy wants to design an experiment that will show which part of a tomato flower grows into the tomato fruit. What measurement could she make to study how the fruit grows?
Answers
Lacy wants to design an experiment that will show ovary part of a tomato flower grows into the tomato fruit.
What is ovary for plant?The female reproductive organ present in flowering plants is the ovary. It is present in the flower's gynoecium. It is a portion of the pistil that holds the ovules and is located near the base of the sepals and petals. A single carpel or numerous carpels joined together can form the pistil.
Ovaries, as we know, are an essential component of the plant's female reproductive system. Well, the ovaries are where pollen is kept before developing into ovules and ultimately seeds. These seeds then germinate, causing the ovaries to grow and convert into fruits.
Even though the blooms are self-fertile, the pollen is nevertheless moved to the female half of the blossom by wind and the buzzing of bees' wings. The young tomato grows after fertilization, when the petals and stamens fall off.
So, Lacy will show ovary part of a tomato flower grows into the tomato fruit.
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Use the vocabulary in the word bank below to fill in the blanks of the sentences.
adaptations
autotroph
commensalism
climax community
carrying capacity
generalists
mutualism
natural selection
niches
primary succession
specialists
trophic levels
_________ is a mechanism that favors the survival of species with _______ better suited for the environment they live in.
_________ are producers that convert sunlight into energy for the rest of the _________ of an ecosystem.
_________ is a community interaction that benefits both organisms in the relationship, but _________ only benefits one organism in the relationship, while leaving the other unharmed.
When new habitat is provided through ________, it opens up new ________ that organisms can fill within an ecosystem.
As a population reaches the ___________ of an ecosystem, it can reach a _________ when there is little to no change in the population.
_________ can survive in many types of habitats and consume a variety of foods, but _________ have limited food and habitat options.
Answers
Natural selection is a process that helps animals that have made better adaptations to their environment survive. In an ecosystem, autotrophs are producers who transform solar energy into energy for the other trophic levels.
What is Ecosystem?An ecosystem is a region where a bubble of life is created by plants, animals, and some other organisms interacting with the weather, environment, and other factors. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, as well as other species are biotic factors.
What is the ecosystem's structure?The composition of an ecosystem Living things require various abiotic stimuli, and they can adapt to those abiotic variables in various ways. The biotic components of the ecosystem are influenced by each and every biogenic factor (air, water, soil, sunlight, temperature, and humidity).
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Could a type B child whose mother is type A have a type A father
Answers
Answer:
No
Explanation:
It is necessary that each parent have B antigen for its child to be B type.
Is a beneficial mutation always
considered beneficial?
A. No, it depends on the organism's personal goals.
B. No, it depends on the organism's environment.
C. Yes, it will always increase the organism's chances of
survival.
D. Yes, it will always increase the organism's chances of
finding a mate.
Answers
Answer:
B
Explanation:
B is the correct answer because the environment effects how the body has to adapt.
A beneficial mutation is not always considered beneficial because: (B) It depends on the organism's environment.
While a beneficial mutation can provide advantages to an organism in certain environments or circumstances, its benefits may not be universal. The suitability of a mutation depends on the specific environmental conditions in which the organism finds itself. Organisms inhabit diverse environments with varying challenges and selective pressures.
A mutation is a change in the DNA sequence of an organism's genetic material. Mutations can occur naturally due to errors during DNA replication or as a result of external factors such as exposure to radiation, chemicals, or certain environmental conditions.
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Use this image to explain the difference between causation and correlation:
Answers
One thing causing another is known as causation; in other words, action A results in outcome B. Nevertheless, correlation is just a relationship where action A is related to action B, even when one event does not always lead to the occurrence of the other.
What distinguishes correlation from causation?However, a correlation between two variables does not necessarily imply that a change in one variable is the reason for a change in the values of the other. There is a causal relationship between the two occurrences, which means that causation shows that one event is the outcome of the occurrence of the other event.
Which scenario best exemplifies correlation rather than causation?In other words, just because two things correlate does not necessarily entail that one is the cause of the other. For instance, just because shoppers in the UK tend to spend more when it's cold outside and less when it's hot outside doesn't necessarily indicate chilly weather spurs on frenetic high-street shopping.
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Causation is defined as one thing causing another; in other words, action A results in outcome B. However, correlation is just a relationship in which action A is related to action B, even if one event does not always result in the occurrence of the other. A correlation between two variables, however, does not always imply that a change in one variable is the cause of a change in the values of the other. There is a causal relationship between the two occurrences, which means that one event is the result of the other event's occurrence. To put it another way, simply because two things correlate does not mean that one is the cause of the other. To put it another way, simply because two things correlate does not mean that one is the cause of the other. For example, just because shoppers in the United Kingdom tend to spend more when it's cold outdoors and less when it's hot outside doesn't mean that cold weather encourages frenzied high-street buying.
How long are food chains?
Answers
Food chains are rarely more than four steps long.
What is food chain?A food chain is a web of links that starts with producer organisms and ends with an apex predator, detritivore, or decomposer species.A food chain also shows how organisms are related to one another by the food they eat. A different level of a food chain represents each trophic level.The food chain in the wild describes who eats whom. Every living thing, from single-celled algae to massive blue whales, requires food to survive. Each food chain represents a potential path for energy and nutrients to travel through the ecosystem. Grass, for example, generates its own food from sunlight. A rabbit consumes grass.To learn more about food chain refer to :
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Which of the following is NOT one of the three parts of the Modern Cell Theory?
Answers
Teresa wants to explore the relationship between kinetic energy and potential energy. How could she use innovative problem-solving?.
Answers
Teresa could be able to solve problems creatively in C. To demonstrate the relationship between kinetic and potential energy, she should choose a personal example of each and design an experiment to demonstrate it.
How does kinetic energy work?Kinetic energy is the energy that an object possesses as a result of motion.The effort necessary to move a mass-determined body from rest to the given velocity is what is referred to as the effort.In the absence of a change in speed, the body retains the kinetic energy it gained during acceleration.Option C is the best response because it best explains the link between kinetic energy and potential energy.For more information on kinetic energy kindly visit to
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Complete question : Teresa wants to explore the relationship between kinetic energy and potential energy. How could she use innovative problem-solving?
A. Follow the instructions of her science teacher for performing an experiment about kinetic and potential energy.
B. Search the internet for ways to show the relationship between kinetic and potential energy.
C. Find an example of kinetic and potential energy in her own life and create an experiment to illustrate their relationship.
D. Study the relationship between kinetic and potential energy in her science textbook.
The fossil record contains
specimens of approximately
250,000
known
species. The odds of finding fossil
evidence are extremely low
Decause the remains of an
organism usually
______
or are
_______
by
scavengers. Fossils are more likely
o form in the absence of ____
Typically,____
organisms
do not fossilize even though they
were most likely very common in
ancient communities.
Answers
These are remains of plants and animals which have been preserved in the earth crust for a long period of time.
They become fossilized when there is little or no erosion and in the absence of scavengers.
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What are two environmental benefits of using natural gas as a fuel compared to coal?
Answers
The first benefit is that natural gas emits from 50% to 60% less carbon dioxide than coal, reducing the contributions to climate change and respiratory diseases.
The second benefit is that it is a more reliable source, as it is abundant, more easily transported and stored. All of this reduces the risk of accidents that could cause leaks and unforeseen pollutions, and it also reduces the costs (the money can always be used to enhance eco-friendly processes instead of processes that are more harmful for the environment).
WEEK 7 PRACTICAL EXERCISE 6: KINGDOM PLANTAE (a) PRIMITIVE LAND PLANTS
Plant Scientists are searching Peru, Mexico and the Middle East for wild ancestors of potatoes, corn and wheat. Why is this search important?
Answers
The search for wild ancestors of potatoes, corn, and wheat is important for a number of reasons like evolution, genes and new varieties.
Why are these factors important in plants?The search can help us to understand the evolution of these crops. Second, it can help us to identify genes that are important for crop productivity and resilience. Third, it can help us to develop new varieties of crops that are better adapted to changing climates and pests.
Peru, Mexico, and the Middle East are all important centers of crop diversity. Peru is home to the wild ancestor of the potato, Mexico is home to the wild ancestor of corn, and the Middle East is home to the wild ancestor of wheat. These wild ancestors are valuable resources for plant scientists because they can be used to improve the genetic makeup of modern crops.
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d. What do your data tell you about how the intensity (amount) of light affects
the rate of photosynthesis performed by the plant? Remember that a rate
involves a change in amount over time. Does this answer make sense? Why
or why not?
Answers
This answer is supported by scientific research and makes sense based on the principles of photosynthesis. However, it's important to note that scientific knowledge is continuously evolving, and there may be further advancements or refinements in our understanding of photosynthesis and its relationship with light intensity since my knowledge cutoff in September 2021.
Based on the available data up until September 2021, it is well established that the intensity of light significantly affects the rate of photosynthesis in plants. Photosynthesis is the process by which plants convert light energy into chemical energy (glucose) that they can use as a source of fuel.
In general, as the intensity of light increases, the rate of photosynthesis also increases, up to a certain point. This relationship is often described by the concept of the "light saturation point." At low light intensities, the rate of photosynthesis is limited by the availability of light energy. As the light intensity increases, the rate of photosynthesis also increases because more photons are available for the plant to capture and convert into chemical energy.
However, beyond a certain light intensity, the rate of photosynthesis reaches a maximum level, and further increases in light intensity do not lead to a proportional increase in the rate. This is because other factors, such as the availability of carbon dioxide or the capacity of the plant's biochemical processes, become limiting factors.
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Anemia includes: a. A lack of WBCs b. A lack of Hgb c. Numerous amounts of RBCs d. Numerous amounts of WBCs
Answers
Anemia is a lack of hemoglobin(Hgb). The name is derived from latin (a- meaning lack of) (emia-means red)
in Ponus sp male cone matured earlier than female cone describ how this species
encures the Success of pollination ?
Answers
Answer:
The correct answer is - to produce more pollen grains.
Explanation:
The maturity of the Pinus sp. male cones takes place before the female cones which are due to ensure that there are more pollen grains available. The higher the number of pollen grains is better for surrounding the female cones when it matures.
This helps in pollination to be species-specific rather than pollinate by any other flower. This feature of early maturation result in easy pollination of the Pinus species.
If the half life of an element was 430 years and you had 2000 atoms of this element, how long would it take to undergo complete radioactive decay? What year would it be when the element finished decaying?
Answers
part a.
it would take an estimated 2984 years for the element to undergo complete radioactive decay.
How do we calculate?N = N₀ * (1/2)\(^(^t ^/^ T^)\)
N = final number of atoms remaining
N₀ = initial number of atoms
T = half-life of the element
0 = 2000 * (1/2)^(t / 430)
(1/2)^(t / 430) = 0
log₂((1/2)= log₂(0)
(t / 430) * log₂(1/2) = log₂(0)
0.01 = (1/2)^(t / 430)
log₂(0.01) = (t / 430) * log₂(1/2)
t = log₂(0.01) * 430 / log₂(1/2)
t = 2984 years
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what are all the proteins of thin filaments.
Answers
Answer:
Myofilament
Nebulin
Tropomodulin
SYNPO2
From the THREE LAWS OF MOTION, choose 1 law then state the law and give an example.
Answers
Answer: The first low of motion states that an object at rest remains at rest and an object in motion remains in motion unless acted on by an unbalanced force. This is also knows as the law of inertia. One example of this is a ball. A ball stays put unless you push in which case it keeps on moving. However, it stops because of the force known as friction.
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Answer:
Newton's first law of motion states that an object at rest remains at rest and an object in motion remains in motion with the same velocity unless acted upon by what we call an unbalanced force
Explanation:
For example, my cup of coffee is resting on my kitchen table as I make this lesson. The force of gravity pulling down is balanced by the force of my kitchen table pushing up on my cup of coffee. Now, if I am to move my coffee, I must apply an external force to disrupt the balance. Thank goodness my muscles are strong enough to apply such a force so I can enjoy my cup of coffee. Ah, now that's good joe! Newton's first law of motion is also referred to as the law of inertia
A mistake happens during mitosis g where all of the mitochondria are pulled to one pole of the cell and none are pulled to the other pole. Based on this, what would you predict once cytokinesis completes
Answers
Answer: Daughter cell that does not receive mitochondria, will not be able to produce the energy needed to carry out cell functions. The cell that receives all the mitochondria, will be able to carry out cellular respiration and thus produce energy.
Explanation:
The mitochondrion is a cellular organelle found in eukaryotic cells, and provides the energy needed to carry out cellular activity. They are characterized by their large size, compared to other cell organelles, and their globular shape. Mitochondria generate most of the chemical energy needed to activate the biochemical reactions in the cell, through a process called cellular respiration. It irefers to a set of biochemical reactions by which certain organic compounds are degraded by oxidation into inorganic substances. The chemical energy produced by mitochondria is stored in an energized molecule called adenosine triphosphate (ATP).
Then, if during cell division, one of the daughter cells does not receive mitochondria, it will not have the necessary organelles to carry out cell respiration and will not be able to produce the energy needed to carry out cell functions. The cell that receives all the mitochondria will have no major problems, it will be able to carry out cellular respiration and thus produce energy.
Can you answer these 2 questions? plsssssss
1. Explain how the Coriolis effect affects ocean current movements in the northern and
southern hemispheres in your own words.
2. Infer why upwellings are economically important in your own words.
Answers
Answer:
Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere. This deflection is called the Coriolis effect. Click the image for a larger view. Coastal currents are affected by local winds.
Upwelling is the process that brings deeper water to the surface, and its major significance is that it brings nutrient -rich deep water to the nutrient-deprived surface, stimulating primary production
Explanation:
How does backward chaining differ from forward chaining? This is for Psychology A
Answers
Answer:
Forward chaining start from the known facts and move forward by applying inference rules to extract more data, and it continues until it reaches to the goal, whereas backward chaining starts from the goal, move backward by using inference rules to determine the facts that satisfy the goal
Explanation:
What term refers to the functions of an organism
Answers
Answer:
The term that refers to the functions of an organism are cells.
Budding and sporulation are forms of ___
reproduction.
A. Asexual
B. Binary
C. Artificial
D. Sexual
Answers
Answer:
A
Explanation:
There is no fusion of male and female gametes
HELP ME please!!!for which planet is the length of the planets day longer than a planets year?
Answers
Answer:
Venus
Explanation:
:)
1. Who was the best known for making the thought of evolution acceptable for
scientist in the 19th century?
who was the best known for making the sort of evolution acceptable for scientists in the 19th century
Answers
Answer:
Charles Darwin was best known in the 19th century
Explanation:
Which of the following are a part of the circulatory system? I. Blood II. Lungs III. Heart IV. Blood Vessels A. I, II, III, and IV B. II, III, and IV C. I, III, and IV D. I and IV
Answers
Option A is correct as I, II, III, and IV are all a part of the circulatory
system.
The circulatory system, also known as the cardiovascular system, is a complex network of organs and vessels responsible for transporting blood, oxygen, nutrients, hormones, and other necessary substances to different parts of the body. It also plays an important role in the removal of metabolic waste and carbon dioxide from the body.
I. Blood is a vital component of the circulatory system that flows through the blood vessels and carries oxygen, nutrients, hormones, and other substances to different parts of the body.
II. Lungs are also a part of the circulatory system as they help to oxygenate the blood by allowing oxygen from the air to enter the bloodstream and carbon dioxide to be eliminated from it.
III. Heart is a muscular organ that pumps blood to the entire body. It is the center of the circulatory system and also responsible for regulating blood pressure.
IV. Blood Vessels include arteries, veins, and capillaries. Arteries carry oxygen-rich blood from the heart to the body and veins return oxygen-poor blood to the heart. Capillaries are small, thin-walled vessels where the exchange of oxygen, nutrients, and other substances takes place between the blood and the tissues.(option-a)
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The changes that occurred in Yellowstone National Park after all of its wolves
were killed showed that wolves are
A. harmful to the ecosystem
B. the only producers in the ecosystem
C. beneficial to the ecosystem
a
D. unnecessary for the survival of other species
Answers
why unraveling past climate changes is important and discuss several ways in which such changes are detected
Answers
Unraveling past climate changes is important because it helps us to understand the causes and consequences of climate change.
What is climate change?Climate change refers to the long-term changes in temperature and weather patterns. These may be natural or man-made changes.
Some examples of climate changes include sea level rise, rapid loss of ice mass loss in Greenland, Antarctica, and the Arctic, changes in floral and plant blossoming, and extreme weather occurrences.
Some methods by which past climate changes can be detected include:
Ice cores provide information on past climatic and weather conditions.Tree rings give information about past weather conditions.Sediment coresFossil recordsHistorical recordsLearn more about climate change at: https://brainly.com/question/1789619
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Complete question:
Explain why unraveling past climate changes is important and discuss several ways in which such changes are detected.
NEED WITHIN 30 MINUTES!!!
This graph shows the loss of calcium in a disturbed watershed (Watershed 2) and an undisturbed watershed (Watershed 6) in the Hubbard Brook Experimental Forest. Data were collected every year starting in 1963. Does this graph support the hypothesis that cutting the trees from a forested area causes the area to lose nutrients more quickly than leaving the trees in place? Explain your answer for full credit.
Answers
Based on the information in the graph, the hypothesis that cutting the trees causes the area to lose nutrients more quickly is true.
What does the graph show?The graph compares calcium loss in two areas, one that was a disturbed watershed (blue) and the other was an undisturbed watershed (purple).
Based on the observation of the graph, it can be seen that for the disturbed watershed the calcium loss drastically increase during the deforestation stage, while in the undisturbed watershed, the loss was stable. Based on this, the hypothesis is validated.
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"Real life" application: As in the balloon, large bodies of water (oceans, ponds, and
lakes) absorb a lot of heat energy with only small changes in temperature.
Why would this benefit organism living in large bodies of water?
Answers
The capability of water bodies to absorb a lot of heat with only a small change in their temperature helps aquatic organisms to maintain temperature homeostasis.
What is homeostasis?Homeostasis is the property of living organisms to maintain a relatively stable range of internal processes such as temperature, pressure, the concentration of nutrients, etc., relative to their external environments.
The normal range of operation of the internal processes is known as the setpoint. Beyond the setpoint, organisms' life may be in danger or they may suffer irreparable damage to their bodies. Thus, the ability to maintain stable internal processes is a survival characteristic in the face of a constantly changing environment.
If the temperature of water bodies changes greatly with the absorbance of heat, this may damage the body temperature regulation ability of aquatic organisms. Thus, it puts their lives at major risk.
With only a little variation in temperature, aquatic organisms would be able to adjust their internal regulatory attribute to ensure that they maintain their normal body temperature.
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Base your answers to questions 1 through 3 on the diagram below and on your knowledge
of Earth science. The diagram represents the expansion of a portion of the universe from its
origin until the present. The timeline represents billions of years. Letter X indicates two
celestial objects.
Timeline (billion years ago)
Present T
5-
10-
Origin of
Universe
15-
1. Two pieces of evidence that support the theory that the universe is expanding are the
A) red shift of light from distant stars and the existence of nuclear fusion
B) red shift of light from distant stars and the existence of cosmic background
radiation
C) blue shift of light from distant stars and the existence of nuclear fusion
D) blue shift of light from distant stars and the existence of cosmic background
radiation
polestial objects labeled X are
Answers
The two pieces of evidence that support the theory of the expanding universe are the red shift of light from distant stars and the existence of cosmic background radiation.
The correct answer is option B.
1. Red shift of light from distant stars: The observation of redshift in the light coming from distant galaxies provides evidence for the expansion of the universe. Redshift occurs when the light waves from an object moving away from an observer are stretched, causing a shift towards longer wavelengths. This phenomenon is consistent with the Doppler effect, where the wavelength of light appears to stretch as the source moves away. The redshift of light from distant stars indicates that galaxies are moving away from us and from each other, supporting the idea that the universe is expanding.
2. Existence of cosmic background radiation: The discovery of cosmic background radiation further supports the theory of the expanding universe. Cosmic background radiation is a faint, uniform microwave radiation that permeates the entire universe. It is believed to be residual radiation from the Big Bang, the initial event that is thought to have initiated the expansion of the universe. The presence of cosmic background radiation provides strong evidence for the hot, dense early stages of the universe and its subsequent expansion.
Based on the information provided in the diagram, it is not possible to determine the identity or nature of the celestial objects labeled X. The diagram only represents the expansion of the universe over time and does not provide specific details about individual celestial objects.
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