what happens if an organism becomes infected with a toxin that breaks down cyclins in the organisms cells

The response is the basis for vaccination. primary secondary tertiary none of the above

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Eutrophication caused by human nutrient pollution.