Dichotomous keys ask open-ended questions about animal behavior.
open-ended questions about easily observable characteristics.
yes-or-no questions about animal behavior.
yes-or-no questions about easily observable characteristics.

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Which is the most dominant generation in a liverwort

Which of these is not an obstical to the future of space exploration? fundingresearch ideas technologytime