A heterotroph requires organic compounds of nitrogen and carbon for nourishment since they cannot synthesize its own food.

An amniotic egg contains yolk to nourish the developing organism. The shell also protects it.

This is Fluffy my new adopted dog. She is a mixed poodle but we had to shave all her fur off because it was so matted, stinky, and dirty so now she looks like a cross from a chiwawa and a weiner dog. Lol 🙂 She is an example of bilateral symmetry which is something that can be cut in half and produce a mirror image.

Salt is hydrophilic because it works and dissolves well with water.

Sweat is the waste product of cellular respiration.