The total amount of organic matter present in any trophic level is called a) bioassay. b) biodiversity. c) biomass. d) detritus.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

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

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi