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Evolution

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
This is a process in which organisms gradually change over time.
a)
Environment
b)
Competition
c)
Evolution
d)
Fossils
2.
This is an inherited trait that helps an organism survive and reproduce in its environment.
a)
Evolution
b)
Population
c)
Environment
d)
Adaptation
3.
This is an ecological relationship in which two or more organisms depend on the same limited resource.
a)
Adaptation
b)
Competition
c)
Evolution
d)
Natural selection
4.
In natural selection, the selective agent is the
a)
humans
b)
mutations
c)
breeders
d)
environment
5.

What did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?

a)

different species on different islands

b)

all species on one of the islands

c)

identical species on all the islands

d)

the same species as North America

6.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
7.
Natural selection results in change over time by acting on traits that are
a)
heritable
b)
new
c)
mutated 
d)
better than the best
8.
Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as
a)
vestigial structures
b)
analogous structures
c)
homologous structures
d)
fossil structures
9.
Choose which scientist corresponds best with the statement: 
acquired characteristics are inherited
a)
Darwin 
b)
Lamarck
10.

Scientists find dinosaur fossils in the bottom of a cliff and mammal fossils in the middle layer, what can be inferred?

a)

dinosaurs ate plants

b)

dinosaurs were eaten by the mammals

c)

they lived at the same time

d)

dinosaurs lived before the mammals

11.
Ostrich wings are examples of
a)
homologous structures
b)
vestigial structures
c)
adaptations
d)
traits
12.
Dolphins have the same arm structure as wolfs, what type of evidence for evolution does this represent?
a)
DNA
b)
vestigial structures
c)
homologous structures
d)
embryology
13.

What do you call similar structures that related species have inherited from a common ancestor?

a)

Natural Selection

b)

Analogous Structure

c)

Vestigial Structure

d)

Homologous Structure

14.

Select ALL the parts of Natural Selection.

a)

overproduction

b)

evolution

c)

variation

d)

selection

e)

competition

15.
Vertebrate embryos pass through similar stages of development is evidence for
a)
use and disuse
b)
homologous structures
c)
common ancestry
d)
acquired characteristics
16.

According to the diagram, which organism is older?

a)

ammonite

b)

coral

c)

gastropod

d)

trilobite

17.
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
18.
The ability of an organism to survive and reproduce in its specific environment 
a)
diversity.
b)
evolution
c)
adaptation
d)
 fitness
19.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
20.

The image displays which type of anatomical structure?

a)

Analogous Structures

b)

Homologous Structures

c)

Vestigial Structures

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