Answers24 - 25 CR - Biology B 0411KBBiological Evidence and the Fossil Record

Biological Evidence and the Fossil Record — Unit test Answers

25 verified answers2 views
21
Free Preview

Which phrase describes the absolute age of a rock?

A
does not provide an exact age
B
is the number of years since it formed
C
is the age compared to other rocks around it
D
indicates whether it is younger or older than the rocks above it
23

Why is still water an ideal environment for the formation of mold and cast fossils?

A
Sediment builds up over organisms.
B
Sediment turns organisms into rock.
C
Hard tissue decays under sediment.
D
Soft tissue is preserved under sediment.
24

Which structures are similar in function, but do not indicate that the organisms are related?

A
analogous structures
B
homologous structures
C
vestigial structures
D
transitional structures
25

What is the value of a transitional fossil?

A
Transitional forms show the evolutionary steps between species.
B
Transitional forms are analogous fossils.
C
Transitional forms discredit the theory of evolution.
D
Transitional forms are proof of punctuated equilibrium in evolution.

Did you find these answers helpful?