Ageologist finds a large rock containing a fern fossil. this kind of fern grew on land in hot, moist climates. what does this tell the geologist about the area at the time the rock was formed? a. the area was hot and tropical. b. the area was snowy and cold. c. the area was muddy and wet. d. the area was covered by the ocean

Environmental impacts on evolution : mastery test

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus

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.