Select the bacterial group below that does not form spores a. Clostridium botulinum
b. Bacillus anthracis
c. Escherichia coli
d. Clostridium difficile

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow

Match each term to its scientific definition. a)natural world b)scientific method c)theory 1) everything that can be observed or explained scientifically 2) a well-supported explanation of all the evidence related to a natural phenomenon 3) the procedure of scientific inquiry used to investigate natural phenomena