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WorksheetsBHS Natural Selection
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
True or False: Only traits that are controlled by genes can be acted on by natural selection.
a)
True
b)
False
2.
The preserved remains or traces of organisms that lived in the past are called...
a)
dinosaurs
b)
burrows
c)
predators
d)
fossils
3.
The gradual change in a species over time is called...
a)
variation
b)
mutation
c)
predator
d)
evolution
4.
A group separated from the rest of the species is one of the main ways a __________ is formed.
a)
mutation
b)
migration
c)
competition
d)
new species
5.
The theory of ___ - states evolution occurs steadily in tiny changes over long periods of time.
a)
punctuated equilibria
b)
gradualism
c)
plate tectonics
d)
competition
6.
_______________ - a species creating more offspring than can possibly survive.
a)
Evolution
b)
Natural selection
c)
Migration
d)
Overproduction
7.
True or False: Through natural selection, harmful variations gradually accumulate in a species.
a)
True
b)
False
8.
In natural selection, organisms that are best suited to their environment are most likely to...
a)
mutate
b)
punctuated equilibria
c)
reproduce and survive
d)
migrate and have variations
9.
An ________ helps an organism survive and reproduce.
a)
adaptation
b)
overproduction
c)
evolution
d)
environmental change
10.
__________ traits that are different in members of the same species.
a)
Evolutions
b)
Mutations
c)
Variations
d)
Gradualism
11.
_______ leads to evolution because helpful variations accumulate among surviving members of the species.
a)
Punctuated equilibria
b)
Overproduction
c)
Mutation
d)
Natural selection
12.
The theory of ______ proposes that species evolve during short periods of rapid change.
a)
evolution
b)
punctuated equilibria
c)
natural selection
d)
gradualism
13.
If a species has changed very little over millions of years, what theory of would describe it?
a)
gradualism
b)
plate tectonics
c)
punctuated equilibria
14.
True or False: The longer a species is isolated, the less likely they are to evolve different traits.
a)
True
b)
False
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