WorksheetsReview It 2!
Total questions: 10
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. 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
2.
What process is being shown in this image?
a)
Variation
b)
Natural Selection
c)
Selective Breeding
d)
Homeostasis
3.
Which best describes the role of mutations in natural selection?
a)
Mutations help an organism to better survive in their environment
b)
An organism may acquire a helpful mutation by interacting with the environment
c)
A mutation may result in an adaptive trait that makes an organism more likely to survive and reproduce
d)
Organisms with certain traits are more likely to win competitions for mutations
4.
What are some things that can cause an animal to become endangered or extinct?
a)
habitat loss
b)
disease
c)
climate change
d)
all of the above
5.
What is an adaptation?
a)
A feature or behavior that helps an animal survive.
b)
The food that an animal eats.
c)
How energy moves in a food web.
d)
How animals evolve throughout time.
6.
Which of these is least likely to show common ancestry?
a)
homologous structures
b)
vestigial structures
c)
DNA
d)
analogous structures
7.
How is genetic variation related to an organism's ability to adapt to its environment?
a)
When genetic variation is low, the ability to adapt is high
b)
When genetic variation is high, the ability to adapt is low
c)
When genetic variation is low, the ability to adapt is low
d)
Genetic variation is unrealted to the ability to adapt
8.
Why is genetic variation within a species important for the survival of the species?
a)
It will likely result in larger individuals in the species.
b)
It will likely result in the species becoming predators.
c)
It will likely result in more intelligent individuals in the species
d)
It will likely result in individuals in the species being able to adapt to their environment.
9.
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
10.
Which best describes these fossils?
a)
The oldest fossils can be found on the lower layers
b)
The oldest fossils can be found at the top layers
c)
The youngest fossils are always found on the bottom layers
d)
You can not tell the age of any of these fossils
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