Approximately 80% of the genes found in cows are similar to the genes found in humans. Humans and chimpanzees have over 99% similarity in their genes. Which statement best describes the relationship of humans to these two organisms?(1 point)

Question

Responses

Humans share a recent common ancestor with chimpanzees, but they do not share a common ancestor with cows.
Humans share a recent common ancestor with chimpanzees, but they do not share a common ancestor with cows.

Humans have a more recent common ancestor with chimpanzees than they have with cows.
Humans have a more recent common ancestor with chimpanzees than they have with cows.

Humans have a more recent common ancestor with cows than they have with chimpanzees.
Humans have a more recent common ancestor with cows than they have with chimpanzees.

Humans do not share an evolutionary relationship with cows or chimpanzees.
Humans do not share an evolutionary relationship with cows or chimpanzees.
Question 2
When looking at a cladogram, if two species are closely connected to one another, what does that imply about their genetics?(1 point)
Responses

They share the same twenty amino acids.
They share the same twenty amino acids.

The two species have many similarities in their DNA sequences.
The two species have many similarities in their DNA sequences.

They share a minimum percentage of their DNA.
They share a minimum percentage of their DNA.

The two species have a very distant common ancestor.
The two species have a very distant common ancestor.
Question 3
Which statement best compares the evolutionary relationship of an elephant, a hedgehog, and a pig?(1 point)
Responses

Pigs are more closely related to elephants than to hedgehogs.
Pigs are more closely related to elephants than to hedgehogs.

Pigs are more closely related to hedgehogs than to elephants.
Pigs are more closely related to hedgehogs than to elephants.

Pigs are not related to elephants, but they are distantly related to hedgehogs.
Pigs are not related to elephants, but they are distantly related to hedgehogs.

Pigs are not related to hedgehogs, but they are distantly related to elephants.
Pigs are not related to hedgehogs, but they are distantly related to elephants.
Question 4
Which anatomical feature of an animal is more likely to biodegrade over time and not become a fossil?(1 point)
Responses

shells
shells

teeth
teeth

bones
bones

skin
skin
Question 5
What makes it possible for scientists to discover how certain types of animals evolved in different environments?(1 point)
Responses

the type of sedimentary rock
the type of sedimentary rock

the biodegradation of soft tissues
the biodegradation of soft tissues

the radioactive decay of fossils
the radioactive decay of fossils

the geographic location of fossils
the geographic location of fossils
Question 6
What is the significance of human arms and bat wings developing in a similar manner?(1 point)
Responses

It suggests the two species have common roots.
It suggests the two species have common roots.

It suggests that primitive humans had wing-like features.
It suggests that primitive humans had wing-like features.

It suggests that humans evolved indirectly from bats.
It suggests that humans evolved indirectly from bats.

It suggests the two species share the majority of their DNA.
It suggests the two species share the majority of their DNA.
Question 7
Which embryonic feature suggests human beings and fish share a common ancestor?(1 point)
Responses

Human embryos go through a stage during which they are surrounded by fluid.
Human embryos go through a stage during which they are surrounded by fluid.

Fish embryos go through a stage during which they form microscopic lungs.
Fish embryos go through a stage during which they form microscopic lungs.

Fish embryos go through a stage during which arms and legs are formed.
Fish embryos go through a stage during which arms and legs are formed.

Human embryos go through a stage during which tails and gills are formed.
Human embryos go through a stage during which tails and gills are formed.
Question 8
What contains the code for all life on Earth?(1 point)
Responses

causal records
causal records

embryological development
embryological development

extinct life forms
extinct life forms

DNA sequences
DNA sequences
Question 9
A scientist is attempting to build a cladogram that shows the evolutionary closeness of three organisms in relation to humans. After doing DNA analysis, they determine that the organisms share the following percentages of DNA: Organism A and humans share 85% of their DNA. Organism B and humans share 80% of their DNA. Organism C and humans share 90% of their DNA. Based on this information, which order should they go on the cladogram (from least related to most related)?(1 point)
Responses

C, B, A, humans
C, B, A, humans

A, B, C, humans
A, B, C, humans

B, A, C, humans
B, A, C, humans

C, A, B, humans
C, A, B, humans
Question 10
Look at the graph of different types of vertebrates. Which evidence would support the relationships shown on this graph?(1 point)
Responses

Mammals have more genes in common with birds than with amphibians.
Mammals have more genes in common with birds than with amphibians.

Birds and amphibians have no similarities in their amino acid sequences.
Birds and amphibians have no similarities in their amino acid sequences.

Reptile embryos are similar to birds but have no similarities with mammals and amphibians.
Reptile embryos are similar to birds but have no similarities with mammals and amphibians.

Amphibians and mammals have similar traits that are not seen in reptiles and birds.
Amphibians and mammals have similar traits that are not seen in reptiles and birds.
Question 11
A cladogram shows the evolutionary relationship between humans, chimpanzees, and gorillas. The cladogram currently shows humans and chimpanzees with a more recent common ancestor compared to gorillas. Which piece of evidence, if true, would most likely weaken this hypothesis?(1 point)
Responses

The cells of the eye in embryos of gorillas and humans follow a similar pattern of development while chimpanzee embryos are different.
The cells of the eye in embryos of gorillas and humans follow a similar pattern of development while chimpanzee embryos are different.

Amino acid analysis of the cytochrome c protein shows significant differences in the sequence of amino acids between humans and gorillas.
Amino acid analysis of the cytochrome c protein shows significant differences in the sequence of amino acids between humans and gorillas.

DNA sequence analysis of the hemoglobin alpha gene shows that humans and chimpanzees have a more similar sequence to each other than they do to the gorilla’s DNA sequence.
DNA sequence analysis of the hemoglobin alpha gene shows that humans and chimpanzees have a more similar sequence to each other than they do to the gorilla’s DNA sequence.

Fossils of humans appear in deeper sedimentary rock layers compared to fossils of chimpanzees.
Fossils of humans appear in deeper sedimentary rock layers compared to fossils of chimpanzees.
Question 12
The forelimbs of bats and humans have a very similar bone structure even though they appear very different on the outside. These structures are known as __________ because they result from species evolving __________. Which of the following answer choices correctly completes the above statement?(1 point)
Responses

analogies; from the same common ancestor
analogies; from the same common ancestor

homologies; from the same common ancestor
homologies; from the same common ancestor

homologies; similar adaptations in similar environments
homologies; similar adaptations in similar environments

analogies; similar adaptations in similar environments

Answer 1

Here are the answers to your questions:

Question 1:
Humans have a more recent common ancestor with chimpanzees than they have with cows.

Question 2:
The two species have many similarities in their DNA sequences.

Question 3:
Pigs are more closely related to elephants than to hedgehogs.

Question 4:
skin

Question 5:
the geographic location of fossils

Question 6:
It suggests the two species have common roots.

Question 7:
Human embryos go through a stage during which tails and gills are formed.

Question 8:
DNA sequences

Question 9:
B, A, C, humans (because C has the highest similarity, followed by A, then B)

Question 10:
Amphibians and mammals have similar traits that are not seen in reptiles and birds.

Question 11:
The cells of the eye in embryos of gorillas and humans follow a similar pattern of development while chimpanzee embryos are different.

Question 12:
homologies; from the same common ancestor

Let me know if you need further clarification or additional information!