A recessive trait is observed when an organism has 2 recessive genetic factors.
D, different species in the world
sodium-potassium pump. n. The enzyme-based mechanism that maintains correct cellular concentrations of sodium and potassium ions by removing excess ions from inside a cell and replacing them with ions from outside the cell.
Answer:
the answer is c
i did this test before in 8 grade
Hardwood trees have a lot of bark.
(I hope this is good enough.)
