This illustration shows a kind of animal that is a free-living organism. Which term is the common name of this organism?

planarian

tapeworm

amoeba

fluke

What role do traits play in affecting an organisms ability to reproduce? finches

The table below shows the elements that mainly comprise each of the four layers of earth: elements in layers layer main elements crust oxygen, silicon mantle iron, magnesium outer core iron, nickel inner core iron which of these elements make up the layer that is 0.2 to 1.1 percent of earth's total diameter?

What’s a example of extrusive rock that cooled to quickly for grains to form