Part C If humans have altered the natural environment, describe the changes made by humans and their impact on the species
(Abiotic factors and biotic factors)

"it built up in the atmosphere"

i think thats it, idk, i tried looking for this exact q& a for grad. and idk if i got this question right or sorry if im wrong

not always but somethings can be reproduced in a laboratory.

dna is a set of a gene held together by a chemical bond

in addition to being able to metabolize, grow, digest food, and excrete wastes, what other functions must an organism perform if it is to survive? survival also depends on the ability to maintain one's boundaries, to move, to respond to stimuli, and to reproduce. oxygen is a survival need.