Do living things have to live on the surface of a planet or moon

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 .

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?