about 50,000 or more
Oil spills is the biggest cause of marine pollution. An oil spill can devastate and area of the ocean. Factories are another major cause of marine pollution.
Urchins are ocean animals. They are a marine echinoderm.
Marine Biologists study the ocean - the environment, animals, plants, and geography. How all these things affect one another and how things outside the ocean (weather, people, pollution) affect the ocean and all that live in it.
A person who studies ocean plants and animals is called a Marine Biologist.
animals in the ocean/sea
Marine biologists study animals that live in a lake, river, ocean etc... Marine biologists mainly study animals in the ocean as well in a water filled environment.
Yes, there are veterinarians associated with the Navy that research marine animals.
A marine biologist.
marine organisms
Marine animals breathe through the nose by inhaling and exhaling. :)
Pollution, Oil spills, Overfishing and ocean currents
A Marine Biologist is important because without them we would know nothing about fish, ocean life, any marine animals or the ocean itself.