What kind of fossil is a wooly mammoth found frozen in arctic ice? a. Cast fossil b. Mold fossil c. Preserved fossil d. Trace fossil

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

Does masterbation affect height growth or loss of growth hormone?

How does a gymnosperm prevent itself from pollinating the same tree