Natural selection is best described as: Isolating the species so that they no longer experience competition with other species
The ability to spontaneously generate new traits that better suit the species
Increasing the perfection of the species
Passing on existing variation of traits to favor those that are better suited to an organism's environment.

What are simmilarities and differences between anaerobic respiration in animal and yeast cells? would prefer to get simmilarities as i already got some differences. you!

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?