Summarize how the fossil records are evidence of changes in species over time

Which part of cellular respiration must occur before any of the other steps can occur

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 .

Give examples of selective advantage of organism’s body part/organ