There are 2 types of cells in this world defined by the presence/absence of a nucleus and membrane bound organelles. What are they? (select all that apply)
eukaryotic
prokaryotic
animal
O plant

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

What field of science did harry hess study?