When did beaked whales and nurse sharks split on a phylogenetic tree

Scientific thinking: what clues about biology might road kill provide?

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 .

What are characteristics of minerals? select 3 choices