13. Natural selection is the most powerful of all the processes that change what in a

population? (2 words).

Which type of cells tend to be multicellular; prokaryotes, eukaryotes, or both?

Stem cells are injected into the retina to replace dead cells in the treatment of which disease?

How often does the sun rotate on its axis?

Schizophrenia is believe to be caused by

Which of Erikson's eight psychosocial stages is the stage in which the healthy developing child begins to plan activities and make up games?

What are the 5 majorways that mammals differ from almost all other animals?

How is the process of photosynthesis different in eukaryotes and prokaryotes

Why is it so hard to define a virus as living or non living?

A learner says that Earth rotates on its axis as it revolves around the sun in a circular orbit and that the sun is at the exact center of this orbit. What mistake did the learner make? Explain the mistake in detail.

Which part of the human body controls the nervous system?