WorksheetsLife Science 1
Total questions: 15
Worksheet time: 15mins
What theory proposes that organisms with traits better suited to their environment are more likely to survive and reproduce?
Acquired Characteristics
Embryology
Survival of the Smartest
Natural Selection
The fur of the snowshoe rabbit changes to a lighter color in the winter. This allows the rabbit to blend in with its surroundings. This change is an example of:
Adaptation
Extinction
Competition
Succession
Due to genetic inheritance, members of a species can be slightly different from another in their traits. This is known as...
Variation
Overproduction
Competition
Evolution
have the ability to interbreed.
True or false: All animals have adaptations that help them survive in their habitat.
True
False
Partially true: Not all animals have adaptations
Partially true: adaptations are not for surviving
I am a polar bear who lives in the arctic. My fur is a beautiful white, just like the snow I live in. What adaptation is this adaptation called?
camouflage
mimicry
migration
hibernation
In England, during the Industrial Revolution, _____ moths became more common in forests around cities
Dark-colored
Peppered
Both types (dark colored and peppered)
If you place 50% light and 50% dark colored moths in a "Light Forest," you would expect the number of light colored moths to _____
Increase
Decrease
Reproductive barriers are things that prevent species from
finding resources
living together
breeding together
fighting one another
The process of how new species are formed is called
adaptation
survival of the fittest
natural selection
speciation
Two species of squirrels are separated by the Grand Canyon. Speciation has occurred due to a _________ barrier
timing
geographic
behavioral
selective
Which of the following is required for a population to diverge into two separate species?
The two populations must have evolved different physical appearances.
The two populations must have mutated at least 10 times.
The two populations must have become reproductively isolated.
The two populations must have evolved analogous structures.
