Recall that during the paleozoic era, atmospheric co2 levels decreased. Why?.

Dominant over the mutant vermilion (bright red) allele. a homozygous wild-type female fly is mated with a vermilion male fly. predict the eye colors of f1 and f2 generations. (assume that the f1 flies are allowed to interbreed to produce the f2 generation.)

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm