A food chain symbolizes the path of energy within an ecosystem: Primary producers such as green plants translate solar energy into carbohydrates, which are then tapped by primary and secondary consumers and ultimately recycled by decomposers. Each tier represents a different *trophic* level.
Marine biology. Marine biology is the scientific study of the plants, animals, and other organisms that live in the ocean. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy.
Read More... A marine biologist researches and explores organisms, both plants and animals, within the marine biology field. This field has to do with animals and plants that live in salty bodies of water. The marine biologist may carry out observations and assessments, in order to determine the health of an environment.