In some cases it would be called a schools,communities and or flocks.hope this helps please give a 5 star and brainlest answer.
Nucleus.
Genetic material.
A plasma membrane.
Ribosomes.
Cytoplasm, including the cytoskeleton.
Trophic cascades are powerful indirect interactions that can control entire ecosystems
I think the answer is Phenylketonuria.
Substances that are made up of only one type of atom.