On the deep seafloor, organisms are widely distributed

On the deep seafloor, organisms are widely distributed because there is little variation and no photosynthesis. Coral that is unable to rely on photosynthetic algae in their tissues helping them survive are required to rely on catching their food like other animals.

Molecules called lipids have long hydrocarbon chains that determine the way they act. they can be fats, oils, or hormones, and even exist in our cell membranes