Unit 3 Review

The process by which populations slowly change over time is called__________

• selective breeding
• adaptation
• speciation
• evolution

Which of the following is the study of embryos?

• natural selection
• embryology
• speciation
• evolution

Which of the following is an example of a vestigial structure?

• the wings of a red-tailed hawk
• the hind limbs of a house cat
• the fins of sharks
• the tailbone of a human

Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

Tags

NGSS.MS-LS4-2

Which layer is the oldest

• B
• A
• E
• C

Tags

NGSS.MS-ESS1-4

If two organisms have similar traits of DNA they are probably

• share a common ancestor
• share a common environment
• share a common population
• speciation

Tags

NGSS.MS-LS4-2

Whales are aquatic mammals that contain a pelvis bone.  Even though it does not aid in its movement, the function must have been used by a common ancestor of the whale.  Thus, the pelvis is referred to as a(n)

• vestigial structure
• analogous structure
• homologous structure

Tags

NGSS.MS-LS4-2

If species A and B have very similar genes and proteins, what is probably TRUE?

• species A and B share a relatively recent common ancestor
• species A evolved independently of species B for a long period
• species A is younger than species B
• species A is older than species B

Tags

NGSS.MS-LS4-2

According to this phylogenetic tree, birds are LEAST related to 

• Amphibians
• Sharks
• Ray Finned Fish
• Crocodiles

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Individuals that are well adapted to their environment will survive and produce:

• Fewer mutations
• Stronger genes
• More offspring
• Better traits