Sex is a reproduction system involving both male and female to partake in sexual activity intercourse to create an offspring between the two beings creating a living organism
<span>gene mutation in action gene flow at work genetic drift as it happens natural selection in progress.</span>
Answer: they are called the highlands
Explanation:they represent the earliest crust on the moon
Birds are an example of an animal that migrates, birds migrate south when it gets cold so they can be in warm weather.
Answer:A
Explanation:<em>The core is a solid in the middle and molten on top of it</em>