Which of the following statements is true?

all the populations in an ecosystem form the community.

a habitat represents all the biotic factors in an ecosystem.

the amount of nutrients in soil is an example of a biotic factor.

only one population can live in a habitat at a time.

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.