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Which of the following is an example of natural selection?(1 point)
Responses

Pesticides are sprayed in a field, resulting in an increase in crop growth and a decrease in insect population.
Pesticides are sprayed in a field, resulting in an increase in crop growth and a decrease in insect population.

Cricket frogs prefer to sleep during the day, while red-eyed tree frogs prefer to sleep during the night.
Cricket frogs prefer to sleep during the day, while red-eyed tree frogs prefer to sleep during the night.

To produce a more desirable fruit, a farmer crosses a tree that produces sweet oranges with a tree that produces large oranges.
To produce a more desirable fruit, a farmer crosses a tree that produces sweet oranges with a tree that produces large oranges.

Rabbits with a mutation for longer, thicker fur survive an unusually cold winter, while many normal rabbits do not survive.

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9 answers

THE CORRECT ANSWER IS: Rabbits with a mutation for longer, thicker fur survive an unusually cold winter, while many normal rabbits do not survive.
Evolution is a(1 point)
Responses

theory because it is an explanation that is supported by extensive observations, experimentation, and reasoning.
theory because it is an explanation that is supported by extensive observations, experimentation, and reasoning.

prediction because it makes an educated guess about events that will occur in the future
prediction because it makes an educated guess about events that will occur in the future

variable because it is a factor that can be changed during experimentation.
variable because it is a factor that can be changed during experimentation.

law because it has been proven without exception under certain stated conditions.
law because it has been proven without exception under certain stated conditions.
THE CORRECT ANSWER IS: theory because it is an explanation that is supported by extensive observations, experimentation, and reasoning.
Diagram 1 shows the fossilized remains of the lower portion of a camel's leg. Each subsequent diagram shows the same portion of a camel's leg, but the diagrams are from progressively later time periods. Diagram 4 shows the most recent fossil. These diagrams demonstrate

(1 point)
Responses

how fossil evidence cannot be used to support evolution.
how fossil evidence cannot be used to support evolution.

that all living organisms have increased in size over time.
that all living organisms have increased in size over time.

how fossil evidence can be used to show the evolution of a species over time.
how fossil evidence can be used to show the evolution of a species over time.

that modern camels have more toes than earlier species of camels.
THE CORRECT ANSWER IS: how fossil evidence can be used to show the evolution of a species over time.
There are approximately 200 species of mice that live all over the world. Deer mice are a particular species of mice that prefer to live in forests, prairies, and fields. It has been observed that deer mice that live in trees tend to have longer tails because they use their tails for balance. Deer mice that live in prairies and fields tend to have shorter tails so they are less likely to be caught when running away from predators. If a forest fire occurred in an ecosystem eliminating the majority of the trees and short-tailed mice are naturally selected over long-tailed mice, the evolution of the mice can be primarily attributed to

(1 point)
Responses

genetic engineering.
genetic engineering.

selective breeding.
selective breeding.

environmental factors.
environmental factors.

human impact.
human impact.
The correct answer is: environmental factors.
Cheetahs are one example of a population that has very limited genetic variation.Which of the following groups of animals are most likely to have a limited variety in the genetics of their population?(1 point)
Responses

animals that live on more than one continent
animals that live on more than one continent

animals that have a very large population
animals that have a very large population

animals that live in both hot and cold climates
animals that live in both hot and cold climates

animals on the endangered species list
The correct answer is: animals on the endangered species list