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Evolution Formative

Total questions: 22

Worksheet time: 35mins

Name
Class
Date
1.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
2.
A remnant or trace of an organism from the past is called a _______.
a)
Ancestor
b)
Skeleton
c)
Fossil
d)
Imprints
3.
Structures with the same parts have different functions; suggests that organisms share a common ancestry
a)
vestigial structures
b)
homologous structures
c)
adaptive radiation
d)
fossil
4.
If species A and B have very similar genes and proteins, what is probably TRUE?
a)
species A and B share a relatively recent common ancestor
b)
species A evolved independently of species B for a long period
c)
species A is younger than species B
d)
species A is older than species B
5.

this type of evolution happens on a small scale, typically within a single population

a)

microevolution

b)

macroevolution

c)

natural selection

d)

artificial selection

6.

body parts in organisms that have the same functions, but have different structures

a)

analagous structures

b)

homologous structures

c)

vestigal structures

7.

this type of evolution happens on a small scale, typically within a single population

a)

microevolution

b)

macroevolution

c)

natural selection

d)

artificial selection

8.

large-scale evolutionary change that takes place over long periods of time

a)

microevolution

b)

macroevolution

9.

body parts in different organisms that have the same basic structure, but may have different functions

a)

analagous structures

b)

homologous structures

c)

vestigal structures

10.

body parts in organisms that have the same functions, but have different structures

a)

analagous structures

b)

homologous structures

c)

vestigal structures

11.

body parts found in living organisms that no longer serve a purpose (not necessary for the organisms survival)

a)

analagous structures

b)

homologous structures

c)

vestigal structures

12.

selective pressure exerted by humans on populations in order to improve or modify particular desirable traits

a)

natural selection

b)

artificial selection

13.

a change in a population or species over time

a)

Common Ancestry

b)

Evolution

c)

Embryology

d)

Biogeography

14.

Organisms descended from a common ancestor. Organisms with a more recent common ancestor are more closely related. This phenomenon is referred to as?

a)

Evolution

b)

Common Ancestry

c)

Embryology

d)

Fossil Record

15.

Two organisms that are closely related would have...

a)

very similar DNA sequences

b)

no proteins in common

c)

exactly the same DNA sequences

d)

completely different DNA sequences

16.

Remains of organisms are called...

a)

extinctions

b)

mutations

c)

fossils

d)

variation

17.

In finches (birds), what is the biggest advantage of having different shaped beaks?

a)

to look different from other species

b)

to protect itself from predators

c)

to be able to eat the food readily available in the environment

d)

to protect itself against prey

18.
According to this cladogram, birds are LEAST related to -
a)
Amphibians
b)
Sharks
c)
Ray Finned Fish
d)
Crocodiles
19.

Which two organisms have hair?

a)

Sharks & Ray Finned Fish

b)

Primates & Rodents

c)

Birds & Crocodiles

d)

Rabbits & Birds

20.

What number is the common ancestor of C and D

a)

1

b)

2

c)

3

d)

4

21.
Which of the following conclusions is best supported by the cladogram above?
a)
Species P and Q are equally related to species T.
b)
Species P and T do not share a common ancestor.
c)
Species S evolved from species R.
d)
Species S is more closely related to species T than to species R.
22.

Compare genetic drift and gene flow

4 lines