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WorksheetsNatural Selection
Total questions: 20
Worksheet time: 13mins
Natural selection results in change in a population's _____________ traits over time.
inherited
acquired
Charles Darwin observed that finches of different species on the Galápagos Islands have many similar physical characteristics, this supports the hypothesis that these finches
are twins
acquired traits through use and disuse.
all eat the same type of food.
descended from a common ancestor.
What is the process where animals live or die based on their adaptations to their environment.
Genetic Drift
Natural Selection
The Circle of Life
Mammoth
Variations are caused by . . .
Kaleidoscopes
Variety Shows
Mutations
A change in phenotypic expression
What does 'fitness' mean in natural selection?
How fast an animal can run
How much you work out
How well adapted the animal is to their environment
How strong an animal is
Which animal is the most FIT to live in the desert?
Penguin
Bear
Tiger
Lizard
Which animal is most FIT to live in the Antarctic?
Penguin
Bear
Tiger
Lizard
TRUE OR FALSE: All mutations are bad
TRUE
FALSE
TRUE or FALSE: Mutations are random
TRUE
FALSE
TRUE or FALSE: Mutations lead to variation.
TRUE
FALSE
The change in traits over time in a population is known as
Evolution
Mutation
Selection
Traits
What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?
There were different types of predators on the islands.
The finches on the mainland could not fly high enough.
There was no water on the islands.
There were different food types on each island.
Which of the following is NOT artificial selection:
Orange carrots
Pugs
Polar Bears
Dairy cows
