Biyu was in a skiing accident. she suffered traumatic head injuries when she came in contact with a tree. biyu's cerebral cortex no longer registers electrical activity, but her brain stem remains active. biyu

Punctuated equilibrium verses gradualism have long been contested as ways in which species evolve. choose the best evidence for gradualism.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material