Marine Biology: An Introduction to Ocean Ecosystems |
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Page 41
... land and have risen to break against countless beaches . The land , however , cannot withstand the force of the water and the gradual but inevitable process of erosion has taken its toll . The land yields to the pounding of the sea ...
... land and have risen to break against countless beaches . The land , however , cannot withstand the force of the water and the gradual but inevitable process of erosion has taken its toll . The land yields to the pounding of the sea ...
Page 42
... land . ♢ What evidence do you see in modern crabs that makes them likely can- didates as the first land animals ? What might have motivated an animal to leave the sea for what was at that time a hostile beach ? ✦ Explain what ...
... land . ♢ What evidence do you see in modern crabs that makes them likely can- didates as the first land animals ? What might have motivated an animal to leave the sea for what was at that time a hostile beach ? ✦ Explain what ...
Page 57
... land and " walk . " The rear flippers can move forward and backward , contributing to the animals ' ability to move successfully on land . The seal is always " belly down " on land , as these animals must always " caterpillar crawl " to ...
... land and " walk . " The rear flippers can move forward and backward , contributing to the animals ' ability to move successfully on land . The seal is always " belly down " on land , as these animals must always " caterpillar crawl " to ...
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abyss adult algae allow anemones animals Arctic areas behavior biologists birds body burrow camouflaged chicks cleaner wrasse coast coastal color continental coral reef crabs earth eggs estuaries evolved Explain your answer feed feet female filter fishermen form of symbiosis grass gray whales grow habitat hatch high tide huge humans hunting hydroids invertebrates kelp forest kelp plant known lagoons land living things low tide male manatee marine habitats marine mammals mating mouth move mussels nest nudibranchs nutrients ocean orcas organisms oxygen pelagic zone penguin phylum phytoplankton pinnipeds plankton polar bears polar seas polychaete population predators prey protection remain rock rocky shores sand sandy beaches sea floor sea hare sea lions sea otters sea star sea turtle seal sediment sharks shell shelter shrimp small fish species sperm sponges squid structure subtidal soft bottoms surface swimming temperature tentacles tide pools tiny toothed whales warm worms young zooplankton zooxanthellae