Help pl Which of these is an interaction in which the host is harmed? (4 points)

a
Competition

b
Mutualism

c
Predation

d
Parasitism

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these

Which are evidence of seafloor spreading? check all that apply. molten material magnetic stripes continent material drilled core samples ocean water samples

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.