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Why is selective breeding used with dairy cattle, race horses, and many other animals?
Insects that blend into trees survive because they are not seen, and thus not eaten, by birds.
survive and reproduce more
genetic variation
to continue desired traits
extinct
behavioral adaptation
structural adaptation
Species evolve to survive in their environment.
The thick skin of a cactus helps prevent water loss in the dry desert. This is an example of _________
Insects that blend into trees survive because they are not seen, and thus not eaten, by birds.
survive and reproduce more
genetic variation
to continue desired traits
extinct
behavioral adaptation
structural adaptation
Species evolve to survive in their environment.
A species that once was present on Earth but has died out is a(n) __________ species.
Insects that blend into trees survive because they are not seen, and thus not eaten, by birds.
survive and reproduce more
genetic variation
to continue desired traits
extinct
behavioral adaptation
structural adaptation
Species evolve to survive in their environment.
Which of the following is an example of Darwin's theory of evolution by natural selection?
Insects that blend into trees survive because they are not seen, and thus not eaten, by birds.
survive and reproduce more
genetic variation
to continue desired traits
extinct
behavioral adaptation
structural adaptation
Species evolve to survive in their environment.
What did Darwin conclude from the different species living in the Galapagos Islands?
Insects that blend into trees survive because they are not seen, and thus not eaten, by birds.
survive and reproduce more
genetic variation
to continue desired traits
extinct
behavioral adaptation
structural adaptation
Species evolve to survive in their environment.
According to the theory of natural selection, organisms that are better adapted to an environment __________ than organisms that are not.
Insects that blend into trees survive because they are not seen, and thus not eaten, by birds.
survive and reproduce more
genetic variation
to continue desired traits
extinct
behavioral adaptation
structural adaptation
Species evolve to survive in their environment.
Changes that occur in genes to form new traits in the next generation is __________
Insects that blend into trees survive because they are not seen, and thus not eaten, by birds.
survive and reproduce more
genetic variation
to continue desired traits
extinct
behavioral adaptation
structural adaptation
Species evolve to survive in their environment.
Some birds fly to warmer climates when it gets cold. This is an example of _______
Insects that blend into trees survive because they are not seen, and thus not eaten, by birds.
survive and reproduce more
genetic variation
to continue desired traits
extinct
behavioral adaptation
structural adaptation
Species evolve to survive in their environment.
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