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WorksheetsNatural Selection Review
Total questions: 15
Worksheet time: 14mins
Name
Class
Date
1.
Survival of the Fittest and Evolution were proposed by what scientist?
a)
Charles Darwin
b)
Albert Einstein
c)
Steven Hawking
d)
Isaac Newton
2.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
3.
Mutations are a change in what?
a)
DNA
b)
tRNA
c)
genotype
d)
phenotype
4.
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.
5.
Why do frogs and other organism reproduce so many eggs or offspring?
a)
so that their babies can have friends to play with
b)
the more offspring the more likely the offspring will survive
c)
the more offspring the less likely offspring will survive
d)
the more offspring the less competition
6.
The differences among a species, like different bird beaks, are called
a)
genes.
b)
variations.
c)
traits.
d)
theories.
7.
Evolution typically happens...
a)
in a few weeks
b)
over millions of years
c)
never
d)
in 100 years
8.
Natural selection is when ____________ decides who survives and who doesn't
a)
nature
b)
humans
c)
animals
d)
years
9.
Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?
a)
Light moths were easy to see against sooty trees and were eaten
b)
Light moths were killed by soot
c)
The birds that ate the dark moths were killed by soot
d)
Dark moths were produced by industrial processes
10.
Where can the oldest layer be found?
a)
The top layer
b)
The middle layer
c)
They are all the same age
d)
The bottom layer
11.
Which layer formed first?
a)
Rock Layer W
b)
Rock Layer X
c)
Rock Layer Y
d)
Rock Layer Z
12.
How are fossils created?
a)
Traces of organisms get turned into stone.
b)
Dead organisms are quickly buried for millions of years.
c)
Animals get trapped.
d)
All of the above
13.
An area is currently a forest. What evidence would best indicate that this area was covered by water millions of years ago?
a)
An increase in rainfall in the forest over time
b)
The presence of plants in the forest that need water to live
c)
Fossils of fish discovered in rock below the forest
d)
Insects in the forest that lay their eggs in the water
14.
Some organisms have colorful appearances to warn their predators (animals that would try to eat them) that they are harmful or do not taste good. If other species, that are not harmful, mimic these colors how would that help them reproduce?
a)
The bright colors would help them attract more mates and allow them to reproduce
b)
Because they have similar colors they can mate with the harmful species to create hybrids
c)
Bright colors help them be more visible in the dark and most mating occurs after dark
d)
The similar markings and colors will increase their chance of predators avoiding them and allow them to survive to reproduce
15.
If a mouse population changes color from white to black over many generations due to their environment, what selection is taking place?
a)
Natural Selection
b)
Selective Breeding
c)
Artificial Selection
d)
Hydrogen and Helium
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