Plants consume most of their carbon from

a. the soil

b. the water

c. the roots

d. the air

How do scientists calculate population density?

ATP is composed of a nitrogenous base, a sugar, and

What is carrying capacity? the population size an environment can sustain over time the maximum number of offspring a female can support at one time a density-independent factor the amount a population grows in a given time

The first amino acid of a new polypeptide chain is a. cysteine. b. methionine. c. variable. d. phenylalanine. e. AUG.

why astronomers theorize that most of the matter in galaxies and clusters of galaxies is dark matter

A sample of DNA contains 1000 guanine bases how many citizens bases does it co rain?

Sophie says dolphins and sharks look very similar, so they must be related. Jake disagrees, saying DNA evidence has shown that dolphins and other aquatic mammals are actually more closely related to the ancestors of modern hippos.

When caring for a client with a tracheostomy, the nurse would perform which recommended action?

This schedule number contains drugs with low potential abuse, medical use, and the lowest potential for dependency

Which of the following are threats to biodiversity? Select all that apply. designating protected areas sustainability efforts altering habitats pollution