Alexander fleming discovered a type of that kills bacteria, which led to the development of penicillin.
1.yeast
2.mold
3.mushroom
4.chytrid

Which plant has a visible leaf modification that will it conserve water in extremely dry environments?

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

Ecology can best be described as the study of what