Might want to post the whole question and answer
Incomplete dominance: both traits partially expressed, like red+white=pink
Codominance: both traits fully expressed, like calico cats
Polygenic Inheritance: one trait controlled by many genes, such as height
Multiple alleles: more than three genes that can be in one locus, such as ABO blood typing
A decrease in number of consumers because there is less available area for them to root in the soil and stuff which would consequently result in a decline of consumers as the producers would decreases and yada yada
The amount of carbondioxide in the atmosphere would greatly increase if there were fewer plants.
(Plants) is the answer.