HELP !!
Phoebe carefully cuts a thin slice of an acorn and observes it under a
microscope. She sees that the acorn is actually made of a greater number
of tiny units. What characteristic of life has Phoebe observed?
A. Made of cells
B. Shows growth and development
C. Can get an use energy (Metabolism)
D. Can reproduce
E. Has DNA (Shows Heredity and Evolution)
F. Responds to Stimuli (Change)
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Related Questions
In a mutualistic relationship, only predatory organisms benefit. True/False
Answers
Answer: False - both organisms work together to help each other
Answer:
false
Explanation:
Why is position a dependent variable
Answers
Answer:
Because at any given instant you can independently control your position and your velocity.
Explanation:
please help me with this bio question! please!
Answers
Answer: B
Explanation:
Evolution is one of the unifying themes of biology. Evolution involves change in the frequencies of alleles in a population. For a particular genetic locus in a population, the frequency of the recessive allele (a) is 0.4 and the frequency of the dominant allele (A) is 0.6.
Answers
Evolution is the process of change in the heritable characteristics of biological populations over successive generations.
One way in which this occurs is through changes in the frequencies of alleles in a population. Alleles are different versions of the same gene, and their frequencies can change due to various factors such as mutation, genetic drift, gene flow, and natural selection. The frequency of the recessive allele (a) is 0.4, meaning that 40% of the alleles are the recessive form. It is important to note that the dominant allele does not necessarily mean that it is the more advantageous or better allele. It simply means that it is the allele that is expressed in the phenotype of individuals who possess it.
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the process of gradual change in the inherited traits of a population of organisms through successive generations is called
Answers
Answer:
EVOLUTION
Explanation:
The process of gradual change in the inherited traits of a population of organisms through successive generations is known as evolution. Evolution can occur through the process of natural selection, which is the process by which certain characteristics become more or less common in a population over time based on their ability to help an organism survive and reproduce. Natural selection occurs when individuals with certain traits are more likely to survive and reproduce in a given environment, therefore passing on their traits to the next generation. Over time, the frequency of certain traits in the population will change, as beneficial traits become more common and detrimental traits become less common. This process of change is known as “evolution by natural selection” and is the basis for the modern theory of evolution.
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What will happen to the concentration of ATP, NADPH, and sugar when you increase the temperature. Will they decrease, increase, or stay the same?
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Answer:
Hello!What happens with ATP, NADPH, and sugar when you increase the temperature is that the mixture will INCREASE.
Explanation:
Hope this helps! :)-jade
The concentration of ATP, NADPH, and sugar will increase if temperature increases.
The rate of photosynthesis is depends upon several factors such as Light intensity and Temperature.
In very low temperature the rate of photosynthesis decreases because some enzymes will not able to work at very low temperatures.At very high temperature the rate of photosynthesis decreases because, enzymes denatured and become unable to work.If the temperature is increased slightly, the the rate of photosynthesis will increase because the enzymes become more active.Therefore, the concentration of ATP, NADPH, and sugar will increase if temperature increases.
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Explain how it is possible that two rabbits share the same parent but different traits than each other for ear floppiness?What are all possible gene combinations.
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First, we designate the genes and the characteristics they cause:
F1: normal ears
F2: floppy ears
If the parents have the same genotype (F1F2) and the F1 allele is dominant over the F2 allele, we can draw the punnet chart as follows:
The phenotypes of the offspring would be as follows:
F1F1: normal ears
F1F2: normal ears
F2F2: floppy ears
Therefore, the parents can have offspring with floppy and normal ears because they are heterozygous for the trait.
I WILL MARK BRAINLIEST
Answers
Answer:
patrick star
Explanation:
One way or another life finds a way
Internal adaptations only apply to animals. Plants do not have internal adaptations.
true or false
pls help
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False
Explanation:
I know and i am in 11th grade
helppppp answer the question at the bottom
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Yes, you should expect differences because animals use their body temperature to keep them either cool or warm from the environments they live in. You wouldn't expect a big change from an insect like a bee because the environment Isn't that warm or cold.
ANSWER ASAP WILL GIVE BRAINLIEST
Answers
Answer:
D
Explanation:
Match de word with the correct definition
Answers
2. f
3. b
4. a
5. g
6. h
7. i
8. d
9. c
The gametes in the image below could have formed from which parent?
A. Male
B. Female
C. Male or female
D. Neither male nor female
Answers
Answer:
b
Explanation:
The gametes in the image below could have been formed from the female. This gamete is called as ovum or egg. Hence, the correct option is B.
What is a female gamete?The female gamete is a specialized reproductive cell that is formed inside the female body or plants, which is called as egg or ovum. It is produce by a process called meiosis. Hence, it is haploid in nature.
It is a large, immobile cell that provides the necessary nutrients and environment for the development of the fertilized embryo. It is an essential component of sexual reproduction, as it provides half of the genetic material that is necessary for the formation of the new organism.
The female gamete is also important for the maintenance of genetic diversity in a population. This process allows evolution of species and their adaptation to changing environmental conditions. Hence, the correct option is B.
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which of the following is not a piece of evidence that Darwin used to support his theory of evolution
1.) similarities among different species
2.) the amount of shared DNA between species
3) fossil record
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Answer:
2
Explanation:
Out of the three it seems the most logical
Plan an experiment to find out whether exercise produces a greater breathing rate in girls than in boys.
Answers
Answer:
Boys have a greater breathing rate
Explanation:
Which is an example of evidence that changes in the biosphere affect other Earth systems? (1 point)
O Increasing carbon dioxide concentration increases global warming.
O Coral reef destruction reduces the protection of the shoreline.
O Increased UV protection increases animal evolution.
O Increasing ozone increases weathering.
Answers
The example of evidence that changes in the biosphere affect other Earth systems is as follows: Increasing carbon dioxide concentration increases global warming (option A).
What is the biosphere?The biosphere is one of the four spheres of life which is a part of the Earth and its atmosphere capable of supporting life.
It is the totality of living organisms and their environment. The activities of living organisms in the biosphere can also affect the other three spheres; atmosphere, hydrosphere and lithosphere.
For example, the increasing carbon dioxide concentration released by living organisms (biosphere) can cause an increase in global warming i.e. increase in atmospheric (atmosphere) temperature.
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*The Hydrologic Cycle Q3: Do you think the reservoir gains or loses w: Q4: How much?
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The hydrologic cycle is a process by which water circulates through the Earth's atmosphere, oceans, and land, linking them in a continuous cycle.
During this cycle, water moves between the oceans, land, and atmosphere through evaporation, precipitation, transpiration, runoff, infiltration, and storage. The hydrologic cycle is an essential process for the Earth's ecosystems, as it distributes freshwater and supports life on the planet.
Q3: Do you think the reservoir gains or loses water?
A reservoir can gain or lose water depending on the balance between the amount of water entering and leaving the reservoir. If the inflow is greater than the outflow, the reservoir will gain water, and if the outflow is greater than the inflow, the reservoir will lose water.
Q4: How much?
The amount of water gained or lost by a reservoir will depend on various factors such as the size of the reservoir, the amount of precipitation, evaporation, and human use. Therefore, it is not possible to provide a specific value for the amount of water gained or lost by a reservoir without considering these factors.
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PLEASE HELP HURRY
where carbon dioxide is produced or formed in insect’s
(grasshopper) organism?
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Did Odysseus care more about what the suitors had stolen from him or about how they offended his honor?
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Answer:
how they offended his honor?
what organisms are prokaryotic
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Drug Dosages. Thomas Young has 5 iggested the followiLe rule for caiculating the dosage of medicine for chidren 1 to 12 yr ofd. If a denctes the aduit. dosage (in midigrams) and if t is the child's ago (in years), then the child's dosage is given by the following function.
D(t)= at/t+12 Suppose the adult dosage of a substance is 280mg. Find an expression that gives the rate (in mg/year) of change of a child's cosage with respect to the child's age. D′(t)= What is the rate of change (in mg/year) of a child's dosage with respect to his or her age for a 3 -yr-old child? A 12 -yr-old child? (flound your answer to three decimal placesi) 3-yr-old _____ mg/year 12-yriold _____ mg/year
Answers
Given data: Adult dosage of a substance is 280mg. Rule for calculating dosage for children between 1 to 12 years of age is given by the function, D(t) = a * t / t + 12. To find the rate of change of this function with respect to the child's age, we need to differentiate the function with respect to t.
Let's differentiate this function with respect to t. d/dt [ D(t) ]= d/dt [ a * t / t + 12 ]
Using quotient rule,= [ a * (t + 12) - a * t ] / ( t + 12 )²= a / ( t + 12 )²
Thus, the rate of change of child's dosage with respect to child's age is given by D'(t) = a / ( t + 12 )².
Hence, the required expression is D'(t) = 280 / ( t + 12 )².
Now, substituting t = 3,
we get, D'(3) = 280 / (3 + 12)²
= 280 / 225
= 1.244 mg/year
Substituting t = 12,
we get, D'(12) = 280 / (12 + 12)²
= 280 / 576
= 0.486 mg/year
Therefore, the rate of change of a child's dosage with respect to his or her age for a 3-yr-old child is 1.244 mg/year and for a 12-yr-old child is 0.486 mg/year. We are given the formula, D(t) = a * t / t + 12, which represents the dosage for a child as a function of their age, t. To find the rate of change of this function with respect to the child's age, we need to differentiate the function with respect to t.
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neural tissue has minimal extracellular matrix. which is involved in this support and protection of neural tissue?
Answers
The cells that provide this support and protection in neural tissue are called glial cells, also known as neuroglia. Although neural tissue has a minimal extracellular matrix, it still requires support and protection.
Glial cells are non-neuronal cells that surround and support neurons in the nervous system. They make up about half of the total volume of the nervous system and have a variety of functions, including providing structural support and protection to neurons, regulating the extracellular environment around neurons, and aiding in neuronal signaling. There are several types of glial cells, including astrocytes, oligodendrocytes, microglia, and ependymal cells, each with their own specific functions.
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Which organ-system carries lipids from the gastrointestinal tract to blood?
a. Respiratory system
b. Circulatory system
c. Digestive system
d. Endocrine system
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The circulatory system, also known as the cardiovascular system, is responsible for carrying lipids from the gastrointestinal tract to the blood. The final answer is (b).
After the ingestion of lipids through food, they undergo digestion in the digestive system, primarily in the small intestine. During digestion, lipids are broken down into smaller molecules called fatty acids and glycerol.Once the lipids are digested and absorbed by the cells lining the small intestine, they are transported into the lymphatic system in structures called lacteals.The lymphatic system eventually merges with the bloodstream, and the lipids are then carried through the circulatory system, specifically the blood vessels, to various tissues and organs throughout the body.
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A study was conducted in a particular preschool to investigate whether there is a link between breastfecding and a child's level of intellectual functioning, 20 breastfed and 40 not breastfed (non-breastfed) four year old children were involved. Each child is allocated a unique ID number between 1 and 60 (inclusive). Each child had to answer a few basic questions. To motivate them to answer all questions, the investigator offered Whittaker's Miraka Kirīmi (chocolate) bar. (a) For each of the following scenarios, identify the named distribution that can be used to model X, including its parameter(s). i. Each day a randomly chosen child is given a chocolate bar. All 60 children are in the draw every day. Let X be the number of days before the child with ID number 1 is chosen twice. Note that the day on which the child with ID number 1 is chosen for the second time is not counted. [2 marks] ii. Five children are randomly chosen to sit around one table and do their test. Let X be the number of non-breastfed children chosen. [2 marks] (b) Refer to your choice of named distribution in 2(a)ii above and answer the following questions. i. Find the expected value of X,E(X), and the variance of X,Var(X). [2 marks] ii. What is the probability that at least one child in the group of five children chosen to do the test is breastfed? [2 marks]
Answers
The variance of X, Var(X), for the hypergeometric distribution, the formula is: 1.67
How to calculate the valueThe hypergeometric distribution has three parameters:central idea
N: the total population size (60 children in this case)
K: the number of success states in the population (40 non-breastfed children in this case)
n: the number of draws (5 children chosen in this case)
To calculate the variance of X, Var(X), for the hypergeometric distribution, the formula is:
Var(X) = n * (K / N) * ((N - K) / N) * ((N - n) / (N - 1))
Using the same values as before, we have:
Var(X) = 5 * (40 / 60) * ((60 - 40) / 60) * ((60 - 5) / (60 - 1))
= 1.67
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Natural selection occurs in a population of organisms of the same species when the individuals
A. are genetically identical and exhibit the same characteristics
B. are genetically identical, but exhibit different characteristics
C. are genetically different and exhibit different characteristics.
D. are genetically different, but exhibit the same characteristics
Answers
Natural selection occurs in a population of organisms of the same species when the individuals are C. are genetically different and exhibit different characteristics.
What is the Natural selection?
Natural selection most effective acts at the populace's heritable trends: choosing for useful alleles and, thus, growing their frequency withinside the populace, at the same time as choosing in opposition to deleterious alleles and, thereby, reducing their frequency. This procedure is referred to as adaptive evolution.
Natural selection can most effective arise if there may be variant amongst contributors of the equal species.Natural selection is the procedure thru which populations of living organisms adapt and change. Individuals in a populace are certainly variable, that means that they're all exclusive in a few ways. This variant manner that a few people have trends higher perfect to the surroundings than others.Read more about the genetically:
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A device uses wire stretched across a fault to measure horizontal movement of the ground is called a
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Answer:
c. Tiltmeter.
hope this helps you☺️☺️
Answer:
tiltmeter
Explanation:
i looked it up and got it right..
what energy using process help school the body
Answers
Answer:
convection, radiation, and perspiration.
Explanation:
Your body can cool down through three processes.
Most stars seem to move across the night sky because
a. the universe is expanding
b.the universe is getting smaller
c. Earth is orbiting the Sun
d. Earth is spinning on its axis
Answers
I think it is C but uh if its not D Hope this helps-
Explanation: because
Which of the following occupy space in the thorax, but do not contribute to ventilation?
-Bullae
-Alveoli
-Lung parenchyma
-Mast cells
-Bullae
Answers
Bullae are air-filled spaces that occupy the thorax but do not contribute to ventilation. They are commonly seen in individuals with chronic obstructive pulmonary disease (COPD) and emphysema.
Here correct answer is A.
Bullae are formed when the walls of the alveoli, which are tiny air sacs in the lungs where gas exchange occurs, are destroyed due to inflammation or other causes. As a result, the air inside the alveoli is trapped, forming large, non-functional air spaces called bullae.
Bullae can cause problems with breathing because they take up space in the thorax and compress healthy lung tissue, reducing the overall lung function.
This can lead to shortness of breath, wheezing, and other respiratory symptoms. In severe cases, bullae can rupture and cause a pneumothorax, which is a potentially life-threatening condition where air enters the space between the lung and chest wall, causing the lung to collapse.
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Which are
replenished MORE quickly than they
are used?
Answers
Answer:
what are the choices?
Explanation: