Which ideas helped Darwin to formulate his own ideas about how species change over time? Select all that apply. the idea that more individuals are born than can survive
the idea that the physical Earth is always changing through volcanic and other geologic activity
the idea that individuals need to compete for limited resources and not all members of a population are going to survive

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.