How the aging is related with the methylation? The methylation increase or decreased ?

Why are there different theories about the effects of global warming

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 .

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.