The answer is A. Putting the aquarium in the dark means that
the aquatic plants will not be able to photosynthesize. The process of photosynthesis produces oxygen
as a by-product. The oxygen is used by the fishes in respiration and release
carbon dioxide. The carbon dioxide is used by the aquatic plants in photosynthesis.
Genetic engineering is the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism.
One species is nocturnal, and the other species is not.
http://quizlet.com/51808791/biology-1407-ch-24-flash-cards/
Capillaries are tiny blood vessels in the body. Capillaries do not produce blood cells. Hope this helped
Phenotype is the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment. Genotype is the genetic constitution of an individual organism. Allele is one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
