Theme: Physiology of humans and animals Topic: Respiratory System in Humans and Animals

Question: Give two reasons why the rate of oxygen supply to human cells is faster than the rate of oxygen supply to fish cells if both are the same size.

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

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.

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