A freshwater food web contains energy from what

Using the periodic table, determine which material is most likely a good conductor

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

What is the difference between a scientific hypotheses and a scientific theory?