1.what weakens coral exoskeletons? excess salt excess co2 excess sunlight excess fishes 2.a quarter of marine life lives in which type of ecosystem? fish zooxanthellae coral reef ocean 3.what do corals provide for zooxanthellae? food sunlight a source of oxygen a protective area

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.

Physical characteristics of down syndrome

Which process takes place last in the human being which process takes place last in the development of a human being