13 If 90 families were lost in an extinction event that lasted 10 million
years, and cach family contained 200 species, how many species were
lost every 100,000 years during that period?
F. 90
M. 200
G. 180
I. 360

People with one sickle cell allele are not likely to get malaria. what is this an example of?

18. determine whether each stateme blank space given. ach statement is true (t) or false (f). place your answer in the 8. when a cell is put into an isotonic solution, individual wat put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane. d. when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell. c. when a cell is put into a hypotonic solution, there is a net movement of water molecules across the cell membrane out of the cell. d. the movement of any solvent across a semi-permeable membrane is called osmosis. e. carrier proteins have the ability to change shape and physically move molecules across the cell membrane. f. in facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the cell.

Explain the difference between mutations in sex cell and those in somatic cells