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.
Food Habits: Sea otters mainly eat benthic invertebrates such as clams, mussels, urchins, crabs, and fish. They must dive to capture their food, sometimes up to 250 feet. Sea otters also use âtoolsâ such as a rock to open their hard-shelled prey.ur: Sea otter fur is the finest of any mammal, consisting of 850,000 to 1 million hairs per square inch. Sea otters depend on these hairs to keep them warm while in the water. If a sea otterâs fur becomes soiled with foreign substances such as oil, the sea otter will not be able to keep itself insulated.