Nitrogen is often the limiting nutrient for which group of organisms ?
A. Plants
B. Animals
C. Bacteria

Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?

Which characteristics must an object possess in order to be considered alive?

Jellyfish sometimes squeeze in the sides of their bodies. this pushes a stream of water from the back end of their bodies. according to newton’s third law of motion, how will this behavior affect of the jellyfish ?