Which human traits form a wide range of states instead of two distinct states

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

What is the number of phosphates in an atp molecule

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 .