Extinction occurs when __________________ happens.

When a population is divided by an event such as a new river forming __________ has occured

The red-eyed tree frog, the smoky jungle frog, and the strawberry dart-poison frog all have their own ____, which help them to survive life and reproduce in a tropical rain forest.

Which of the following are true about the amount of chromosomes in human diploid/body cells and sex cell?.

Which statement that follows was NOT part of Darwin;s conclusion?

In order for species of evolve, three steps must occur. Which of the following reveals the correct steps.

In order for natural selection to occur populations must:

When studying DNA base sequences of different specie, it is known that species that share:

The complimentary strand to the DNA sequence ATGCCTT would be

How many genes does each parent pass on to its offspring?

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