Question 1 (1 point)
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
d
fungi and amoebae
Question 2 (1 point)
Which pattern is evidence that reptiles and amphibians share the same ancestor?
a
They have backbones.
b
They have eyes.
c
They have similar skin.
d
They have legs.
Question 3 (1 point)
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.
c
Pythons descended from an animal with legs.
d
The leg bones will not be passed down to future generations.
Question 4 (1 point)
Fossils and genes are used to determine
a
how many mutations occurred in a species over time.
b
how species will change over time.
c
differences between organisms
d
how species interact with each other.
Question 5 (1 point)
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.
b
All finch species evolved from a common ancestor.
c
Finch species interbreed.
d
Each finch species evolved from a different ancestor.
Question 6 (1 point)
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.
c
they are all mammals.
d
they all have similar bones in their limbs.
Question 7 (1 point)
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.
d
Organisms make changes to help them survive and reproduce in their environment.
Question 8 (1 point)
A common ancestor is an organism that is the
a
direct ancestor of two or more different organisms.
b
direct ancestor of one organism.
c
indirect ancestor of two or more different organisms.
d
indirect ancestor of one organism.
Question 9 (1 point)
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.
b
Over time, the horse limb got longer.
c
Over time, the horse limb became shorter.
d
Over time, the horse limb grew wider.
Question 10 (1 point)
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
c
that these animals evolved from a common ancestor
d
that these animals have linear relationships
Question 11 (1 point)
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
b
patterns in limb structures
c
tooth features
d
number of bones
Question 12 (1 point)
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.
d
The animal lived millions of years ago.
Question 13 (1 point)
Which group includes only bipedal animals?
a
primates
b
hominins
c
lesser apes
d
hominids
Question 14 (1 point)
Which body part is a vestigial structure?
a
horse hoof
b
whale hind limb
c
human arm
d
bat wing
Question 15 (1 point)
Fossils are used to study
a
organisms that live today.
b
how ancient animals behaved.
c
organisms that once lived.
d
phylogenetic trees.
Question 16 (1 point)
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?
b
How are the animals related to modern animals?
c
Which animal was better equipped to survive?
d
Which animal is older?
Question 17 (1 point)
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.
c
These animals descended from a common ancestor.
d
Humans, mice, and giraffes have the same number of bones.
Question 18 (1 point)
What is the relationship between humans and chimpanzees?
a
Humans and chimpanzees evolved from a common ancestor.
b
Humans and chimpanzees evolved from primates
c
Humans evolved from chimpanzees.
d
Chimpanzees evolved from humans.
Question 19 (1 point)
Which evidence supports the theory that fish and mammals evolved from the same ancestor?
a
Their embryos share features in the early stages of development.
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
Question 20 (1 point)
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
d
primates, hominids, hominins
1. d (fungi and amoebae)
2. d (They have legs.)
3. c (Pythons descended from an animal with legs.)
4. c (differences between organisms)
5. b (All finch species evolved from a common ancestor.)
6. c (they are all mammals.)
7. c (Organisms with traits that help them survive and reproduce in their environment pass on those traits.)
8. a (direct ancestor of two or more different organisms.)
9. b (Over time, the horse limb got longer.)
10. c (that these animals evolved from a common ancestor)
11. b (patterns in limb structures)
12. d (The animal lived millions of years ago.)
13. b (hominins)
14. b (whale hind limb)
15. c (organisms that once lived.)
16. b (How are the animals related to modern animals?)
17. c (These animals descended from a common ancestor.)
18. a (Humans and chimpanzees evolved from a common ancestor.)
19. a (Their embryos share features in the early stages of development.)
20. d (primates, hominids, hominins)
1. d
2. c
3. c
4. c
5. b
6. c
7. c
8. c
9. b
10. c
11. b
12. d
13. b
14. b
15. c
16. b
17. c
18. a
19. a
20. d
Question 1 (1 point)
The pair of living organisms that are likely to have evolved from the same ancestor is:
b) fish and birds
Question 2 (1 point)
The pattern that is evidence that reptiles and amphibians share the same ancestor is:
a) They have backbones.
Question 3 (1 point)
From the observation that pythons have small leg bones buried in their tail muscles, scientists can conclude:
c) Pythons descended from an animal with legs.
Question 4 (1 point)
Fossils and genes are used to determine:
c) differences between organisms.
Question 5 (1 point)
The explanation that accounts for the characteristics of the 13 species of Darwin's finches on the Galapagos Islands is:
b) All finch species evolved from a common ancestor.
Question 6 (1 point)
When studying humans, whales, and horses, the set of similarities that would be evidence for the most recent common ancestor is:
c) they are all mammals.
Question 7 (1 point)
Organisms evolve because:
c) Organisms with traits that help them survive and reproduce in their environment pass on those traits.
Question 8 (1 point)
A common ancestor is an organism that is the:
a) direct ancestor of two or more different organisms.
Question 9 (1 point)
The evolution of horse limbs over time can be described as:
b) Over time, the horse limb got longer.
Question 10 (1 point)
The similarities in embryos of different animals is evidence for:
c) that these animals evolved from a common ancestor.
Question 11 (1 point)
To support the argument that the fossils are related and share a common ancestor, evidence that can be used is:
b) patterns in limb structures.
Question 12 (1 point)
Scientists think that the common ancestor of whales and hippos:
d) The animal lived millions of years ago.
Question 13 (1 point)
The group that includes only bipedal animals is:
b) hominins.
Question 14 (1 point)
A vestigial structure is:
b) whale hind limb.
Question 15 (1 point)
Fossils are used to study:
c) organisms that once lived.
Question 16 (1 point)
The fossil record will best answer the question:
b) How are the animals related to modern animals?
Question 17 (1 point)
From the observation that humans, mice, and giraffes have seven vertebrae in their necks, scientists can conclude:
c) These animals descended from a common ancestor.
Question 18 (1 point)
The relationship between humans and chimpanzees is:
a) Humans and chimpanzees evolved from a common ancestor.
Question 19 (1 point)
The evidence that supports the theory that fish and mammals evolved from the same ancestor is:
a) Their embryos share features in the early stages of development.
Question 20 (1 point)
The correct order of groups from most inclusive to least inclusive is:
c) primates, hominins, hominids.
Question 1: To determine which pair of living organisms are likely to have evolved from the same ancestor, we can look for common traits or characteristics between the options. Out of the given options, the pair that is most likely to have evolved from the same ancestor is option b: fish and birds.
Question 2: To identify the pattern that is evidence that reptiles and amphibians share the same ancestor, we need to consider the common features or traits between them. Among the given options, the pattern that supports this is option d: They have legs.
Question 3: To conclude from the observation of small leg bones buried in the tail muscles of pythons, we can infer the most logical explanation. Among the options, the best conclusion based on this observation is option c: Pythons descended from an animal with legs.
Question 4: Fossils and genes are used to determine various things, including the differences between organisms. So, the most appropriate answer for this question is option c: differences between organisms.
Question 5: To explain the characteristics of 13 species of Darwin’s finches on the Galapagos Islands, we need to consider the most plausible explanation. Among the given options, the explanation that accounts for these characteristics is option b: All finch species evolved from a common ancestor.
Question 6: To determine which set of similarities would provide evidence for the most recent common ancestor among humans, whales, and horses, we need to consider the shared characteristics between them. Among the options, the set of similarities that indicates the most recent common ancestor is option d: they all have similar bones in their limbs.
Question 7: Organisms evolve due to various factors, but the most accurate explanation for why organisms evolve is option c: Organisms with traits that help them survive and reproduce in their environment pass on those traits.
Question 8: A common ancestor can be defined as an organism that is the direct or indirect ancestor of one or more different organisms. Among the options, the most accurate definition for a common ancestor is option a: direct ancestor of two or more different organisms.
Question 9: To describe the evolution of horse limbs over time, we need to consider the changes that have occurred. Among the options, the most fitting description of the evolution of horse limbs over time is option b: Over time, the horse limb got longer.
Question 10: The observation of patterns of similarities in embryos of different animals can be evidence for a certain phenomenon. Among the given options, this evidence supports the idea that these animals evolved from a common ancestor, as mentioned in option c.
Question 11: When trying to convince a friend that organisms share a common ancestor based on various fossil features, we need to choose the best evidence to support this argument. Among the options provided, the best evidence to support this argument is option b: patterns in limb structures.
Question 12: To discuss what scientists think about the common ancestor of whales and hippos, we need to consider their understanding based on available evidence. Among the options, the most accurate statement is option d: The animal lived millions of years ago.
Question 13: To identify a group that includes only bipedal animals, we need to consider the common characteristic among the options provided. Among the options, the group that includes only bipedal animals is option b: hominins.
Question 14: A vestigial structure is a body part that has lost its original function over the course of evolution. Among the options, the body part that is a vestigial structure is option b: whale hind limb.
Question 15: Fossils are used for various purposes, including the study of organisms that once lived. Among the options provided, the most accurate statement is option c: organisms that once lived.
Question 16: When analyzing fossilized bones from two different animals, the fossil record can provide specific information. Among the options, the question that the fossil record best answers is option b: How are the animals related to modern animals?
Question 17: To draw a conclusion based on the observation of seven vertebrae in the necks of humans, mice, and giraffes, we need to consider the significance of this observation. Among the options, the most appropriate conclusion is option c: These animals descended from a common ancestor.
Question 18: The relationship between humans and chimpanzees is a topic of interest in evolutionary biology. Among the options, the most accurate statement regarding this relationship is option a: Humans and chimpanzees evolved from a common ancestor.
Question 19: To determine the evidence that supports the theory of fish and mammals evolving from the same ancestor, we need to focus on specific characteristics. Among the options, the evidence that supports this theory is option a: Their embryos share features in the early stages of development.
Question 20: To arrange the groups in order from most inclusive to least inclusive, we need to consider the hierarchical levels of classification. Among the options, the correct order is option a: hominids, hominins, primates.