DescriptionNitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The transformation of ammonia to nitrite is usually the rate limiting step of nitrification. Nitrification is an important step in the nitrogen cycle in soil.
One could be serious harm to marine animals
~over hunting has killed a lot of species
~we genetically modify plants and animals to our liking
~we have introduced a lot of invasive species to different places effecting local wildlife
Answer:
B. more cells than smaller organisms
Explanation:
Animals and plants are multi-cellular eukaryotic creatures. Eukaryotes tend to be bigger than prokaryotes, but, more importantly, eukaryote means multiple cells, and prokaryote is one.