Albinism is a genetic mutation that results in some animals being born without the enzyme that produces the pigment for skin and eye color. all but one statement is a possible explanation for this mutation. which is not an explanation? a) a dna base in the gene for the enzyme was removed. b) a dna base in the gene for the enzyme was substituted. c) the wrong mrna code caused the wrong protein to form. d) the organism gained an extra chromosome because of a non-disjunction.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.