If Earth didn't rotate, what would be one major obstacle life would have to
overcome?

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Look at the photo of the leaf. which term best describes this leaf?

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 .