3. Choose the best answer.

, an evolution mechanism, works better in populations not divided by physical barriers.
Speciation
Gene pool
Genetic drift
Gene flow

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

The picture shows a location in india that is very dry and arid. notice the tall mountains in the background; you can find high amounts of vegetation on the other side of the mountains. which statement is most likely true for this area?

What is the process by which biological parents pass traits such as hair type or eye color to their children