WorksheetsNatural Selection, Adaptation and Variation
Total questions: 15
Worksheet time: 4hrs 45mins
Name
Class
Date
1.
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
2.
What is the term for a feature that allows an organism to survive better in its environemtn?
a)
variation
b)
adaptation
c)
homologous structure
d)
vestigial structure
3.
To adjust to a changing environment
a)
Mutation
b)
Adapt
4.
The gradual change in species over time is...
a)
Evolution
b)
Nucleotide
c)
Adaptation
d)
Natural Selection
5.
Surviving and reproducing show that an organism
a)
is adapting
b)
is not adapting
c)
is forming fossils
d)
is not reproducing
6.
Another word for adapt is ____________.
a)
change
b)
create
7.
Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring?
a)
Evolution
b)
Variation
c)
Adaptation
d)
Natural Selection
8.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
9.
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.
10.
The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?
a)
Dark moth
b)
Light moth
c)
Both will be equally successful
d)
Neither will be successful
11.
Genetic differences between organisms of the same species
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
12.
The long and sharp beak of a woodpecker is an example of:
a)
Natural Selection
b)
Selective Breeding
13.
An error in DNA copying that results in a new trait
a)
Homeostasis
b)
Mutation
c)
Natural Selection
d)
Selective Breeding
14.
The struggle for existence against other members of an organisms species is
a)
Competition
b)
Natural Selection
c)
gene flow
d)
genetic drift
15.
A group of similar organisms that can mate with each other and produce fertile offspring is called a species.
a)
True
b)
False
100 %
