Phytoplankton consists mainly of single-celled algae. They live in aquatic ecosystems and conduct photosynthesis. Which is the role of phytoplankton in an ecosystem?​

Explain how organisms could be harmed by high levels of salt from roadways?

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.

The open ocean of any depth is called the