What age are girls usually physically mature

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

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.