Biology
Biology, what I have learned.
shark biology:
sharks rule the ocean for more than 2500000 years. inhabitants: the carbine reef shark lives in the shallow water reef others like the blue shark like to be in the open not near land. the greenland shark lives in the deep part of antarctica while the tiger shark prefers the tropics. sharks are relatives to rays. sharks and rays both don't have swim bladders. Swim bladders is a thing that helps a bony fish hover like a hot air balloon. some sharks can lay on the bottom of the sea floor and star there. Since a shark doesn't have a swim bladder it can`t stop moving or it will died. A lean shark can stop moving a rest on the seafloor and gulps water to get breath nease sharks also spend a lot of time on the bottom of the sea floor. Other sharks like the wolder gone live their whole life on the bottom. sharks are the only fish to have eyelids. sharks don't have to worry about going to the detest because they have many rows of teeth their teeth always grow back.
Greenland shark:
A green shark is always cure reset so if you bang to two rocks together it come a evester gate and then go back to its daily routine.
Blue sharks:
a blue shark lives in the open ocean. blue sharks a good swim they can swim 100ds of miles in mothes. blue sharks like cemaes.
Reef biology
Coral reefs provide shelter for a wide variety of marine life, they provide humans .... important habitats will be protected with a social and biological objective. The Biology of Corals. Where are corals found? Corals can be found throughout the oceans, from deep, cold waters to shallow, tropical waters. Shallow coral. Oil spills prevent larvae of Caribbean corals from attaching to the reef bottom well after spills are cleaned up Sep 30, 2015 Coral reefs in the Caribbean have died.
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