Which system does a human have, but not a flatworm? A. a digestive system

B. a reproductive system

C. a respiratory system with lungs

D. a nervous system

Drumb roll please...

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

What are the possible blood types among the children of parents that are ab and ii? oa) types a and b ob) types a, b, and ab c) types a, b, and o od) types a, b, ab, and o

Nerve cells are specialized to respond to stimulitrue or false?