Given the dna strand gaattcctcgag, what would be the complimentary strand to make the double stranded dna?
a. gaattcctchah
b. cttaaggagctc
c. aggccttctaga
d. none of the above

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians? a. a b. e c. f d. g

The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the correspondingbones in whales have very different shapes and proportions. however, genetic data suggest that all three kindsof organisms diverged from a common ancestor at about the same time. which of the following is the mostlikely explanation for these data? a) humans and bats evolved by natural selection, and whales evolved by lamarckian mechanisms.b) forelimb evolution was adaptive in people and bats, but not in whales.c) natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy.d) genes mutate faster in whales than in humans or bats.e) whales are not properly classified as mammals.

Plants contain the carbohydrates starch and cellulose.in the spring when stem growth is at its fastest rate, cellulose production rates are increased in some plants. in the months with less sunlight