What does evolution mean? A A rapid change in the environment that causes a reduced gene pool.
B Selectively acquiring useful genes.
C A gradual change in characteristics over time.
D Changing characteristics to suit the environment over a short period of time.

Red flowered snapdragons are crossed with white flowered snapdragons, producing all pink snapdragons in the f1 generation. what would you expect if you crossed pink with pink? 3/4, 1/4, 1/2 red, 3/4,/1/2,/1/4 pink,1/2, 3/4, 1/4 white

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above