Which kind of worm is sometimes used to prevent blood clots? planarian
leech
fluke
hookworm

What field of science did harry hess study?

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry