Atrophic level is
a.) the basic unit of energy in an organism
b.) the level of energy in a food chain
c.) the level directly above the consumer level
d.) the highest level in the food chain

i think the answer is b.

hope it

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )

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