Pic attached please help!! Label the following diagram. Use the terms (not every word will be used): nucleotide, hydrogen bond, adenine, cytosine

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)

Just a quick question. will give pointswhat is the root word of "blood."it is written in my homework as hemat(o) : blood. so, should i write that the root word as hemat or hemato or hemat(o). i'm really confused.

Under which of the following circumstances would natural selection not operate on an organism