Apopulation of mollusks has lived in a relatively stable environment and shown no great change in many, many years. they live, die, and get fossilized every few hundred thousand years. judging from the fossilized snails, little observable evolution has occurred. this is an example of

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 .

Me with these questions image attached

Regarding most of the narrator’s story, which word best describes the tone?