Animals that reproduce sexually differ from animals that reproduce asexually in that sexually reproducing animals have

When sex cells combine to produce offspring, each sex cell will contribute

Single celled organisms can produce and create cells exactly like themselves without combining genes from two different parent cells. This is an example of

Which of the following describes the advantages of asexual reproduction?

Salamanders can reproduce both sexually and asexually. Which is an advantage of sexual reproduction?

Sexual reproduction can cause an organism to develop a new characteristic. Which of the following new characteristics might help a lizard that lives in green, grassy areas survive

Cheetahs are an endangered species. Ther are fewer cheetas for mating. What genetic effects will this have on the species' chances for survival?

According to the theory of natural selection, a species that lacks the variations necessary to adapt to a changing environment will most likely

Rainfall in a tropical region is below average for 10 years. Which statememt best explains why insects adapted for dry conditions are now much more plentiful.

Fossils from ancient sea a shells are located in layers of rock formed out of compacted particles of sand. Why is this species of animal now extinct?

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