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which of the following best describes what happens to the body during REM slep...

a. Our brain are active but our bodies cannot move
b. Our brain and bodies show increased activity
c. We are in restorative sleep
d. Our brain and bodies show a decreased level of activity

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred