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WorksheetsNatural Selection
Total questions: 20
Worksheet time: 3600secs
Natural selection explains HOW organisms change over time. What is the process in which populations are changed over time?
Digestion
Elimination
Evolution
Adaptation
What word describes a trait that helps an organism survive in its environment?
natural selection
mutation
camouflage
adaptation
Why is the mouse population changing over time? (You can enlarge the picture by placing your cursor on it.)
The light mice can reproduce more successfully than the dark mice
The hawks eat more dark mice than light mice because the dark mice taste better
The hawks eat more light mice than dark mice because they can see the light mice more easily
The hawks eat more dark mice than light mice because they can see the dark mice more easily
According to natural selection, light colored tree trunks would favor ___________________________.
light colored moths
dark colored moths
red colored moths
red and light colored moths
Why are advantageous (better fit) traits more likely to be passed onto offspring?
They are more likely to survive and reproduce.
They are more likely to die and not reproduce.
They are able to reproduce more offspring.
Predict which moth would increase in population over time.
light colored
dark colored
What is the best claim for this image?
The grey wolves are best adapted to the Arctic
The brown rabbits are best adapted to the Arctic.
The white rabbits are best adapted to the Arctic.
If Easter eggs were living species of organisms, their different colors would be considered:
Adaptations
Variations
Different species
Extinct species
Natural selection occurs during the lifetime of a single organism.
True
False
TRUE or FALSE: Natural selection will still occur if individuals are exactly the same.
TRUE
FALSE
In a population of ladybugs, black bugs are more successful in escaping predators. Overtime, this gene becomes more popular in the population and the ladybug population loses its red color. This is an example of?
Natural Selection
Mutation
Genetic Drift
Gene Flow
All rabbits of the same species living in a particular area would be an example of a(n)
population
species
community
ecosystem
