What does it mean to say that a plant community provides ecosystem services?
a. it increases npp.
b. it improves the ability of the abiotic environment to support life.
c. it increases species richness.
d. it provides economic gain for humans.

Which of these is the most likely consequence of falling petroleum price

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of

Easy 6th grade work! 100 points! i need fast! compare the parts of a cell and the cell as a whole to another common nonliving system (i. e., a car, a city, describe the parts of a cell and their primary function.