Is Current Warming Natural? In Earthâs history before the Industrial Revolution, Earthâs climate changed due to natural causes not related to human activity. Most often, global climate has changed because of variations in sunlight. Tiny wobbles in Earthâs orbit altered when and where sunlight falls on Earthâs surface.
Eel prey on fish and small crustaceans. Some eel have mouths consisting of a sucker surrounded with small teeth. The teeth pierce the scales and skin of fish and the eel sucks the blood for nourishment. Other species of eel have many sharp teeth and are able to bite and tear their prey into pieces to eat.
Seagrass leaves support an array of attached seaweeds and tiny filter-feeding animals like bryozoans, sponges, and hydroids as well as the eggs of ascidians and molluscs. These plants and animals provide food for small fish that live in the seagrass. Many marine animals hide from predators among the waving leaves of seagrass. Small fish and crabs can