What type of consumer is this organisms

D. The organism is not a consumer

the answer is:

carbon dioxide

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

. ph changes the ability of them he enzyme to dissolve in water.

sex cells are usually half's then they find another half and make a fertilize egg