Photosynthesis and cellular respiration are occur in cells. a) chemical reactions. b)physical reactions

what's the

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully