Module 16 - Natural Selection* Question Preview (ID: 58215)
Natural Selection Practice.
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What would happen to the population of peppered moths if the trees in the environment became darker due to pollution?
a) The number of white moths will increase and the number of dark moths will increase
b) The number of white moths will decrease and the number of dark moths will increase
c) The number of white moths will increase and the number of dark moths will decrease
d) The number of white moths will decrease and the number of dark moths will decrease
What will happen to the population of finches over several generations when there is a drought and the only available seeds are larger?
a) The number of small beaked finches increases and the number of larger beaked finches decreases.
b) The number of small beaked finches will decrease and the number of larger beaked finches will decrease
c) The number of small beaked finches will decrease and the number of larger beaked finches will increase
d) The number of small beaked finches will increase and the number of larger beaked finches will increase
What is the most likely reason that the members of this species of insect resemble sticks so well?
a) The insects migrate until they found a good place to hide to survive and reproduce over generations of time.
b) The color of an insect is determined by the color of the tree where the eggs are laid to survive and reproduce over generatio
c) Insects that could hide were not eaten as often as those that could not hide to survive and reproduce over generations of tim
d) The insects change colors depending on the color of the leaf they land on to survive and reproduce over generations of time.
How do scientists infer relationships between organisms in the past with organisms today?
a) Scientists compare organisms today and see many differences to organisms in the past and determine they are not related.
b) Scientists compare organisms today and do not see similarities to organisms in the past.
c) Scientists do not compare organisms today with organisms in the past because organisms today are exactly the same.
d) Scientists compare organisms today and see similarities to organisms in the past.
What do you predict will happen to the population of rabbits if the climate in this environment begins to get warmer over the next hundreds of years?
a) The number of white rabbits will increase and the number of brown rabbits will increase
b) The number of white rabbits will decrease and the number of brown rabbits will increase
c) The number of white rabbits will increase and the number of brown rabbits will decrease
d) The number of white rabbits will decrease and the number of brown rabbits will decrease
How do these limbs provide evidence that organisms such as humans may come from a common ancestor?
a) The bones have the same basic bone structure
b) The bones perform the same basic functions
c) The bones are the same size and shape
d) The bones all have the same names
Many antibiotics people take when they are sick do not kill germs as well as they once did. This is probably because?
a) Individual germs adapt to the antibiotics and become resistant to the antibiotics over time.
b) Some variations of germs have resistance to the antibiotics and survive to produce resistant offspring
c) Antibiotics today are now older than they once were and are not as effective as they used to be.
d) Individual germs exposed to antibiotics get used to the antibiotics and evolve to be resistant over time.
When scientists compare living organisms, such as horses today with fossils from millions of years ago, which of the following would be the most valid inference?
a) Modern day horses are completely different from these organisms from the past
b) Modern day horses have always remained the same and have not changed over time
c) Modern day horses have no similarities from these organisms from the past
d) Modern day horses have descended from these organisms that lived in the past
Organisms with favorable traits are more likely to survive and reproduce. In doing so, they pass on helpful traits to the next generation. Over __________ of time, this process allows organisms to adapt to their __________.
a) generations, environment
b) generations, traits
c) short periods, environment
d) long periods, traits
Which of the following best explains why the beak shapes of birds change over time?
a) Changes in the environment cause adaptations to change over generations of time
b) Populations remain the same or go extinct over generations of time
c) Drought causes the beak sizes to decrease over generations of time
d) Rainy seasons cause the beak sized to increase over generations of time
What do these fossils suggest about the environment of South Carolina in the distant past?
a) South Carolina's environment has always been the same
b) South Carolina was once a more desert environment
c) South Carolina was once a more marine environment
d) South Carolina was once a more tropical environment
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