Which of the following aquatic ecosystems is likely to have both a littoral and benthic zone?

lake

open ocean

coral reef

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

What is it called when lava when it erupts from the surface through volcanoes.

List the four types of organic compounds found in all living things and explain why they are important.