This is the genus that includes modern humans and species closely related to them and is estimated to be about 2.3 to 2.4 million years old.

Which stem cells are capable of the most limited differentiation? A.) adult stem cells B.) amniotic fluid stem cells C.) embryonic stem cells D.) somatic stem cells

How does gene make you who you are

In the context of cell biology, what do we mean by form follows function? What are at least two examples of this concept?

Flies have laid eggs on the body of a dead opossum. The fly eggs hatched in the larvae you see here. Soon the larvae stopped growing and did not develop into flies. Explain why this happened

What suggests that all the mammals alive today came from the same common ancestor.

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.