AnswersBiology_B_IC_AltBiological Evidence and the Fossil Record

Biological Evidence and the Fossil Record Answers

20 verified answers1 views
5

All of these examples show evidence for evolution because they show

A
descent from a common ancestor
B
original traits
6

Which of the following statements is the best explanation for why the embryos look so similar, considering how different an adult fish and chicken are?

A
Fish and chickens both need gills.
B
Fish and chickens are both mammals.
C
Fish and chickens share a common ancestor.
8

Examples that show

A
similarities
B
differences
9

The fossil record matches the geologic record.

A
Increasing complexity
B
Transitional forms
C
Geographic distribution
13

Examples that show

A
convergent evolution
B
descent from a common ancestor
14

The oldest forms of life were much more simple than the newest forms of life.

A
Increasing complexity
B
Transitional forms
C
Geographic distribution
15

Identify which examples are fossils. Select all of the boxes that apply.

A
the preserved remains of a living organism
B
a 100-year-old tortoise
C
a dinosaur footprint found in a rock layer
D
a mosquito from 65 million years ago trapped in sap
17

All of the following statements are true. Decide which of the examples of molecular biology give evidence for evolution. Check all of the boxes that apply.

A
HOX genes are very similar in all animals.
B
Bug wings and bat wings are both used for flying.
C
Many species share much the same DNA.
D
Plant and animal cells have almost all of the same structures.

Did you find these answers helpful?