Question 1

Embryos of different animals show patterns of similarities. What is this evidence for?

a. that these animals all have very similar DNA
b. that these animals all have the same physical structures
Selected:c. that these animals evolved from a common ancestorThis answer is correct.
d. that these animals have linear relationships
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Question 2
Which body part is a vestigial structure?

a. horse hoof
Selected:b. whale hind limbThis answer is correct.
c. human arm
d. bat wing
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Question 3
Which evidence supports the theory that fish and mammals evolved from the same ancestor?

Selected:a. Their embryos share features in the early stages of development.This answer is correct.
b. They both produce egg and sperm cells that must join in fertilization.
c. Their embryos share features in the late stages of development.
d. They both emerge from fertilized eggs
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Question 4
You and your friend inspect a group of fossils from different organisms with various features. Your friend is convinced that all of the fossils are unrelated, but you find evidence that these organisms share an ancestor. What is an example of evidence that you could use to best support this argument?

a. heights
Selected:b. patterns in limb structuresThis answer is correct.
c. tooth features
d. number of bones
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Question 5
What do scientists think about the common ancestor of whales and hippos?

a. The animal lived in water.
b. The animal had two limbs.
c. The animal is still alive today.
Selected:d. The animal lived millions of years ago.This answer is correct.
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Question 6
Why do organisms evolve?

a. Organisms naturally select traits that help them survive and reproduce.
b. Changes in the environment cause organisms to change.
c. Organisms with traits that help them survive and reproduce in their environment pass on those traits.
Selected:d. Organisms make changes to help them survive and reproduce in their environment.This answer is incorrect.
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Question 7
What is the relationship between humans and chimpanzees?

Selected:a. Humans and chimpanzees evolved from a common ancestor.This answer is correct.
b. Humans and chimpanzees evolved from primates
c. Humans evolved from chimpanzees.
d. Chimpanzees evolved from humans.
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Question 8
A common ancestor is an organism that is the

Selected:a. direct ancestor of two or more different organisms.This answer is correct.
b. direct ancestor of one organism.
c. indirect ancestor of two or more different organisms.
d. indirect ancestor of one organism.
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Question 9
Pythons have small leg bones buried in their tail muscles. What can scientists conclude from this observation?

a. Future generations of pythons will have legs.
b. The leg bones help pythons move.
Selected:c. Pythons descended from an animal with legs.This answer is correct.
d. The leg bones will not be passed down to future generations.
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Question 10
Some horse ancestors had limb characteristics that were similar to what we see in the modern horse. Which of the following best describes the evolution of horse limbs over time?

a. Over time, the horse limb gained footbones.
Selected:b. Over time, the horse limb got longer.This answer is correct.
c. Over time, the horse limb became shorter.
d. Over time, the horse limb grew wider.
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Question 11
Which pattern is evidence that reptiles and amphibians share the same ancestor?

Selected:a. They have backbones.This answer is correct.
b. They have eyes.
c. They have similar skin.
d. They have legs.
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Question 12
Scientists discover fossilized bones from two different animals. The Scientists consult the fossil record to learn more about the fossils. Which question will the fossil record best answer?

a. What killed the animals?
Selected:b. How are the animals related to modern animals?This answer is incorrect.
c. Which animal was better equipped to survive?
d. Which animal is older?
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Question 13
Which pair of living organisms are likely to have evolved from the same ancestor?

a. fish and fungi
b. fish and birds
c. birds and amoebae
Selected:d. fungi and amoebaeThis answer is incorrect.
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Question 14
There are 13 species of Darwin’s finches on the Galapagos Islands. They have many similar features but differ in beak size and shape. Which explanation accounts for these characteristics?

a. Finch species have similar diets.
Selected:b. All finch species evolved from a common ancestor.This answer is correct.
c. Finch species interbreed.
d. Each finch species evolved from a different ancestor.
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Question 15
Which group includes only bipedal animals?

a. primates
Selected:b. homininsThis answer is correct.
c. lesser apes
d. hominids
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Question 16
Fossils and genes are used to determine

a. how many mutations occurred in a species over time.
b. how species will change over time.
Selected:c. differences between organismsThis answer is correct.
d. how species interact with each other.
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Question 17
Which list shows the groups in order from most inclusive to least inclusive?

a. hominids, hominins, primates
b. hominins, hominids, primate
c. primates, hominins, hominids
Selected:d. primates, hominids, homininsThis answer is correct.
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Question 18
Humans, mice, and giraffes have seven vertebrae in their necks. What can scientists conclude from this observation?

a. All vertebrates have seven vertebrae in their necks
b. Each animal independently evolved this trait.
Selected:c. These animals descended from a common ancestor.This answer is correct.
d. Humans, mice, and giraffes have the same number of bones.
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Question 19
Fossils are used to study

a. organisms that live today.
b. how ancient animals behaved.
Selected:c. organisms that once lived.This answer is correct.
d. phylogenetic trees.
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Question 20
In studying humans, whales, and horses, which of the following set of similarities would be evidence for the most recent common ancestor?

a. they all have hair.
b. they all have internal skeletons.
Selected:c. they are all mammals.This answer is incorrect.
d. they all have similar bones in their limbs.

answer the four wrong questions bot

Question 5

What do scientists think about the common ancestor of whales and hippos?
a. The animal lived in water.
b. The animal had two limbs.
c. The animal is still alive today.
Selected: d. The animal lived millions of years ago. This answer is correct.

Question 6
Why do organisms evolve?
a. Organisms naturally select traits that help them survive and reproduce.
b. Changes in the environment cause organisms to change.
c. Organisms with traits that help them survive and reproduce in their environment pass on those traits.
Selected: d. Organisms make changes to help them survive and reproduce in their environment. This answer is incorrect.

Question 11
Which pattern is evidence that reptiles and amphibians share the same ancestor?
Selected: a. They have backbones. This answer is correct.
b. They have eyes.
c. They have similar skin.
d. They have legs.

Question 13
Which pair of living organisms are likely to have evolved from the same ancestor?
a. fish and fungi
b. fish and birds
c. birds and amoebae
Selected: d. fungi and amoebae This answer is incorrect.