When two populations of a species occupy geographic ranges that overlap almost entirely, they are said to be populations. ​

Which would prevent a plant from growing

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?