In seed-eating finches in the Galapagos Islands, birds with large beaks are adapted to eat seeds with hard shells,
while birds with small beaks are adapted to eat seeds with soft shells.
If all the seeds in the Galapagos Islands were to develop softer shells as a result of long-term changes in the Earth's
climate, which of the following would be the MOST likely effect on the seed-eating finches?
Elimination Tool
Select one answer
A
Birds with large beaks would develop even larger beaks, while birds with small beaks would develop
even smaller beaks over many generations.
B.
Average beak size in the finches will decrease over many generations.
С
Birds with large beaks would develop smaller beaks, while birds with small beaks would develop
larger beaks over many generations.
D
No selection would operate because the finch populations on the Galapagos Islands meet all the
criteria for Hardy-Weinberg equilibrium.

Answers

Answer 1

Answer:

The answer might be D

Explanation:

The answer could be D because birds with larger beaks should be capable of eating soft shell seeds, as well as hard shell seeds. So natural selection would not occur because the finches with large beaks would not die as a result of not eating soft shell seeds. The finches with large beaks should be able to reproduce offspring with the same trait. And so should the finches with small beaks.

Answer 2

Average beak size in the finches will decrease over many generations is the most likely effect on the seed-eating finches.Therefore, the correct option is B.

What are finches?

Finches are small to medium-sized passerine birds in the family Fringillidae. They are found throughout the world, but are most diverse in the tropics. Finches are known for their unique beak shape and size, which is specialized for feeding on a variety of different foods such as seeds, fruits, insects, and nectar.

The most likely effect on the seed-eating finches if all the seeds in the Galápagos Islands were to develop softer shells would be that birds with small beaks would have a selective advantage.

Therefore, the population of birds with smaller beaks would likely increase over time, while the population of birds with larger beaks would decrease.Hence, the correct option is B.

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Related Questions

Questions about natural selection

Answers

Answer:

c is just wrong because that is not how evolution works evolution is a small change in the DNA that takes a long time through many many generations not just as you or an organism get older and smarter you are not evolving

Carbon cycles through the biosphere in all of the following processes EXCEPT
a. photosynthesis
b. transpiration
c. burning of fossil fuels
d. decomposition of plants and animals

Answers

Answer:

B

Explanation:

because Transpiration is an important part of the water cycle.

I really need help on question two. ANY HELP WOULD BE KINDLY ACCEPTED!!!

Answers

Answer:

ok so all u need to do is explain how the cheerio gives the nutrients/energy like whats in it that gives u the energy thats all bb

Explanation:

YO PLZ HELP ME AGAIN!!!!
What type of signals does the nervous system send? What carries these signals?
What are the main organs of the nervous system?

Answers

Nervous system messages travel through neurons as electrical signals. When these signals reach the end of a neuron, they stimulate the release of chemicals called neurotransmitters. Neurotransmitters travel across synapses, spaces between neurons or between neurons and other body tissues and cells.

CLAP YOUR HANDS. Have a nice day lol

Answer:

.......................

have a good day :)

Explanation:

What is the structure in the diagram?

Answers

Answer: A structure diagram is a conceptual modeling tool used to document the different structures that make up a system such as a database or an application.

Explanation:

Enter the appropriate word(s) to complete the statement.
Word Bank: four, sexual, different

If offspring inherit different DNA from their parents, each offspring will have ____
traits.

Sexual reproduction relies on meiosis instead of mitosis because only meiosis produces ____ sex cells.

Two sex cells join to produce a new individual in _______
reproduction

Answers

Answer:

If offspring inherit different DNA from their parents, each offspring will have different traits.

Sexual reproduction relies on meiosis instead of mitosis because only meiosis produces four sex cells.

Two sex cells join to produce a new individual in sexual reproduction.

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How do the properties of water help it to shape the Earth ?

Answers

Answer:

Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river.

Explanation:

Atmospheric carbon dioxide dissolves into ocen surface waters

Answers

Answer:

Carbon dioxide, which is naturally in the atmosphere, dissolves into seawater. Water and carbon dioxide combine to form carbonic acid (H2CO3), a weak acid that breaks (or “dissociates”) into hydrogen ions (H+) and bicarbonate ions (HCO3-).

Explanation:

What are the different parts of a bacteriophage? Where is the DNA stored in this virus?

Answers

Answer:

What are the differents parts of a bacteriophage?

The tailed phages have three major components: a capsid where the genome is packed, a tail that serves as a pipe during infection to secure transfer of genome into host cell and a special adhesive system (adsorption apparatus) at the very end of the tail that will recognise the host cell and penetrate its wall.

Where is the DNA stored in this virus?

Where is DNA stored in viruses?

The genome of most DNA-containing viruses that infect eukaryotic cells is transported (with some associated proteins) into the cell nucleus, where the cellular DNA is, of course, also found.

Explanation:

Hope it helps you!

What does natural selection act on?

Answers

Natural selection only acts on the population’s heritable traits: selecting for beneficial alleles and thus increasing their frequency in the population while selecting against deleterious alleles and thereby decreasing their frequency


Fungi form lichens by living in a close
relationship with an algae. The fungus provides a
protective home for the algae, and gathers mineral
nutrients from rainwater and from dissolving the
rock underneath. The algae gathers energy from
the sun using photosynthesis. Both organisms
share their nutrients with each other.
A. Commensalism
B. Parasitism
C. Mutualism
D. Competition

Answers

Answer: Commensalism

Explanation: Well you can already eliminate parasitism because that is when an organism leeches off another. Mutualism is when one organism needs to depend on another compared to A where both are benefited.  Then you can eliminate d because competition is when two organism compete with each other for survival not benefiting them both.

What do mitochondrial and thylakoid membranes have in common?

Answers

Answer:

Both membranes contain ATP Synthase Proteins.

Imagine customers moving into and out of a coffee shop. Which situation
resembles how a reaction in dynamic equilibrium acts?
A. There are the same number of people inside the coffee shop as
outside it.
B. People enter the coffee shop at the same rate as others leave.
C. No people are moving either into or out of the coffee shop.
D. Some people sit down and drink their coffee slowly, while others
drink theirs quickly while standing up.
No

Answers

Answer:

B. People enter the coffee shop at the same rate as others leave.

Explanation:

did the test !!

The answer is B. People enter the coffee shop at the same rate as others leave.

In a reaction in dynamic equilibrium, the forward and reverse reactions occur at the same rate, meaning that the concentrations of reactants and products remain constant over time.

Similarly, in the coffee shop scenario, if people are entering and leaving at the same rate, the number of customers inside the shop will remain constant, just like the concentrations of reactants and products in equilibrium.

Option A, C, D are not a good analogy for dynamic equilibrium.

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Coal is considered a nonrenewable resource because
A) it can never be replaced
B) it comes from the impact of meteors with the Earth
C) it was mismanaged by humans; it used to be a renewable resource
D) it takes millions of years to form

Answers

Answer:

D. it takes millions of years to form

Answer:

D) it takes million of years to form.

Explanation:

Renewable resources can replenish in a short period of time. However, coal can't. This is why it is a nonrenewable resource.


The potato which is used as vegetable is a stem

Answers

Answer:

yes potato is a stem

Explanation:

Potatoes, grown in cooler climates or seasons around the world, are often thought of as roots because they usually grow in the ground. But technically they are starchy, enlarged modified stems

Answer:

I have just learnt something new I guess!

Explanation:

Which step happens first in DNA replication?

Answers

Answer:

Initiation

Explanation:

The initiation of DNA replication occurs in two steps. First, a so-called initiator protein unwinds a short stretch of the DNA double helix. Then, a protein known as helicase attaches to and breaks apart the hydrogen bonds between the bases on the DNA strands, thereby pulling apart the two strands. As the helicase moves along the DNA molecule, it continues breaking these hydrogen bonds and separating the two polynucleotide chains (Figure 1).

If an area gets an average of 125 mm of rain a year and has an average temperature of 20 degrees C, the biome is most likely

Answers

Answer:

wet

Explanation:

Based on the information presented in the passage, which of the following conclusions can the reader make?


A

The weather today will be like the weather tomorrow.


B

Knowing the climate makes it easy to predict the weather.


C

If it is cold today, you almost certainly live in a cold climate.


D

Weather can change quickly, but climate changes slowly.


E

The climate in the desert is highly variable.

Weather is all around us. It is what happens from minute to minute. Rain and snow are examples of weather. Climate, on the other hand, is quite different. Climate is the pattern of weather experienced over a long period of time in a certain area. A region that has high temperatures over many years has hot climate. Knowing the weather can help you choose what to wear today. Knowing the climate can help a farmer choose what crops to plant.

Answers

Answer:

B . Knowing the climate makes it easy to predict the weather.

C . If it is cold today, you almost certainly live in a cold climate.

D . Weather can change quickly, but climate changes slowly.

Explanation:

If we know the climate of a particular region we can predict the weather of the next day or week of that region because climate is remain the same of a specific region. If the weather is cold it means that you live in a cold climate, similarly, if the weather is warm it means the climate of that region is warm and hot. Weather can change and has high variations whereas climate is the average atmospheric conditions of a region for a long period of time.

Which of these phenotypes is affected by both environmental and genetic factors?

A: Tongue rolling

B: Blood group

C: Weight

D: Gender

Answers

I would say weight? If not then tongue rolling

Answer:

C. weight

Explanation:

Based on the weight of the phenotypes can affect the environment and genetic

The human X and Y chromosomes

A. are of approximately equal size and number of genes.

B. include only genes that govern sex determination.

C. are both present in every somatic cell of males and females alike.

D. are almost entirely homologous, despite their different names.

E. include genes that determine an individual's sex.

Answers

Answer will be ‘E’, include genes that determines an individual’s sex.
Hope it helps you.

Potato crops are grown for their carbohydrate content.
Describe how you could safely test the two species of potato to compare their carbohydrate content.

test for starch

test for reducing sugars


8 mark question - IGCSE

Answers

Answer:

I hope this helps a little bit.

1. The colour of a tomato can be represented by RR, Rr or rr. Why do we use capital
letters for some symbols and lower case letters for others? Why are there two
symbols for one trait (characteristic)?

Answers

Answer:

The capital letter is used to show a dominant trait, while a lowercase is used to represent a recessive trait.

Explanation:

If you are to take a Mother and a Father as example, and they have 3 children, the father's brown eyes as example we can show the children with capital and lower case depending on their looks. If the Father had brown eyes and 2 of his children out of 3 have brown eyes, we can represent that as a dominant trait, so it would be R. Then, if we take the father's hair color, brown, and the mothers hair color, blonde, we can say 2 of 3 children have brown hair, so 1 of 3 children have brown hair. So we now know that brown hair is a recessive trait. 2 of 3 children have blonde hair so the child with brown eyes and blonde hair could be represented like "Rr". Hope that helps, this is just my little explanation of this!

i will mark brainliest) Which of the following terms best describes when homologous pairs exchange segments of DNA during prophase I?
Diploid
Haploid
Crossing over
Homologous chromosome

Answers

Haploid is the answer

Choose the best statement about the expression “mutation is random, natural selection is not.”

A. Mutations are CAUSED by changed in the environment

B. Natural selection CAN favor some mutations and not others

C. Selection CAN’T change depending on the environment

D. Mutations for advantageous traits are less likely to be passed on the next generation

Answers

Answer:

B

Explanation:

Some mutations can be harmful or helpful depending on the environment.

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Answers

Answer: D. Mass is a measure of the gravitational force exerted on a object... I think

Explanation:

Answer:

A

Explanation:

A. Completely true

B.Obviously not true

C.Yes but mass is not weight it is matter, making this incorrect

D. This is true but mass isnt a measure of gravitational force.

In conclusion A is the statement that is correct.

How do the internal structures of the tree function together to help a tree take in and lock up carbon atoms from carbon dioxide in the wood of the tree as it grows?

Answers

Answer:

CO2 is a basic element for plants because it is a key part of their nutrition. They take carbon dioxide from the atmosphere and, after the process of photosynthesis, break down the gaseous molecule to supply themselves with energy, release oxygen and incorporate carbon atoms into their tissues. The trees of the planet act as a sink, sequestering CO2 from the air and fixing carbon for hundreds of years in the form of wood. Carbon will be released after the tree dies, when it begins to decompose.The inner layer called phloem or bast , is made up of living cells and its function is to conduct the sugar-filled sap from the leaves to the rest of the tree.

Explanation:

Trees, through photosynthesis, retain CO2 that they keep in their "organism" throughout their life cycle until they decompose. In this way they convert carbon atoms in the atmosphere into glucose (what they use to grow), and exhale oxygen that they release into the environment. By photosynthesis, plants retain CO2, becoming its dry mass of 50% carbon. The CO2 that is produced inside the mitochondria during respiration ends up being released into the atmosphere after crossing multiple barriers. The CO2 emitted by a stem xylem parenchyma cell must first cross the membranes and cell wall; and once in the intercellular spaces of the trunk, it does not diffuse rapidly outwards, but is slowed down by the conductive elements of the xylem and by the cambium, the phloem and, finally, the outer cortex. In the xylem, the arrangement and structure of the conductive elements, as well as the structure of the membranes of the pits that connect the conductive elements and these radially with the parenchyma influence the permeability to the passage of CO2.

2. Natural selection is an example of a mechanism of
evolution. Does this mechanism produce a change in
individuals or populations? Explain!

Answers

Answer:

Populations

Explanation:

It cannot change individuals. This is because it happens over many generations. E.g. Peppered moths camouflage with bark. Black moths do not, so they are easily seen by predators. The black moths are eaten because they do not have a desirable trait for survival. The black moths cannot then pass on the trait for black wings to their offspring. However, the peppered moths can pass on their trait for peppered wings to their offspring. Overtime, the population of black moths will decrease and most of the population will have peppered wings. The trait for peppered moths will be present even after many generations and black moths will be rare.

HELP DUE IN 10 MINS!
All of the following are required for photosynthesis except:

a. Light

b. Chloroplasts

c. Oxygen

Answers

Answer:

chloroplast

Explanation:

light and oxygen are a crucial thing for plants

Answer:

c

Explanation:

:) have a nice day

It’s already over do so pls Help ASAP I WILL GIVE BRAINLIST If u answer all of them I have provided a diagram above for the questions... yes they have to be real answers no jokes pls...
7. Using the DNA sequences of the human, chimp, and baboon above, which species are
more closely related? |
8. How did you determine your answer above?
9. What is the method of comparing DNA sequences of species called?

Answers

7. Human and Chimp
8. The DNA bases of the chimp and the human match more closely in comparison to the baboon genetic link.
9. Comparative Genomics

7. What is the mass and weight of a 10-kg object on earth?​

Answers

Answer:

Weight= 98 newtons Mass=10kg

Explanation:

Answer:

Weight varies with location depending upon the acceleration due to gravity eg. for a mass m = 10kg on Earth it`s weight is W = mg = 10 x 10 = 100N.

Explanation:

Other Questions
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