Evolution

Question 1

Which of these words or phrases are directly related to the mass extinction event that occurred 65 million years ago?

Accepted Answer

decreased sunlight availability to plants

Question 2

Which of these is LEAST LIKELY to cause the extinction of organisms?

Accepted Answer

migrating from one region to another

Question 3

The swallowtail butterfly population is declining. What adaptation would probably not help their numbers?

Accepted Answer

breeding in the spring when pesticides are used

Question 4

Geologists searching for clues to the ancestors of modern-day vertebrate land animals should look in layer _______ .

Accepted Answer

2

Question 5

What type of environment is most likely to have white rabbits?

Accepted Answer

snowy polar region

Question 6

The first giraffes on Earth had shorter legs and a shorter neck than giraffes today. What can you conclude about them?

Accepted Answer

They had food sources that were low to the ground.

Question 7

One fossil is a very primitive organism and the other is a complex organism. Which fossil is older?

Accepted Answer

probably the primitive organism on the left

Question 8

Based on the graph, which statement is correct about the relationship between the ground finch and the cactus finch?

Accepted Answer

Ground finches and cactus finches mostly occupy different feeding niches.

Question 9

Why are the beak sizes and shapes of Darwin’s finches different?

Accepted Answer

They adapted to the type of food available.

Question 10

Complete destruction of habitat and the total disappearance of food supply could lead to extinction

Accepted Answer

True

Question 11

Most of these animals have the same bones. What does this suggest about mammals?

Accepted Answer

That they shared a common ancestor.

Question 12

Organisms become extinct for many reasons. All BUT one is reason for extinction. That is

Accepted Answer

adaptations.

Question 13

The loss of some habitat and the outbreak of a contagious disease leads to a decrease in population size

Accepted Answer

True

Question 14

The woolly mammoth lived during the Ice Age. Why did it become extinct?

Accepted Answer

habitat change

Question 15

According to Darwin's theory of evolution, which organisms are BEST able to survive in nature?

Accepted Answer

organisms that possess overall characteristics best suited to their habitat

Question 16

The fossil evidence found in these sedimentary layers BEST implies that

Accepted Answer

invertebrates lived on Earth before vertebrates.

Question 17

The founder of the modern theory of evolution was

Accepted Answer

Charles Darwin

Question 18

One of the major elements of natural selection is that all species have genetic

Accepted Answer

variation

Question 19

Natural selection would favor which of the these rabbits in Antarctica?

Accepted Answer

white rabbit

Question 20

Cacti and succulents can survive in the desert MOST LIKELY because they both

Accepted Answer

can store water.

Question 21

Increase in easily attainable food and a decrease in the number of natural predators could lead to population decrease

Accepted Answer

False

Question 22

If the same kind of fossil is found on two continents that are widely separated today, what does that tell us?

Accepted Answer

The continents were once joined together.

Question 23

If you're hiking in the mountains and you find shells by accident, you know that

Accepted Answer

the mountain was once under the sea

Question 24

Place the statement in order of how they would occur in nature. Be thinking about natural selection.

Accepted Answer

1,4,3,2

Question 25

Deserts are expanding into places that were once forests. What adaptation would give a tree a chance to survive this?

Accepted Answer

The type of root system that can grow deep into the ground.

Question 26

Which of these words or phrases are NOT directly related to the mass extinction event that occurred 65 million years ago

Accepted Answer

eliminated all reptiles

Question 27

What statement is about Mesohippus BEST supported by the fossil evidence?

Accepted Answer

Horses have evolved over the last 40 million years.

Evolution

Questions 27

Evolution

Questions 27