A. They make the surface - water animals unable to survive B. They play important roles in the food chain of the deep - sea and affect the nutrient cycle C. They have no connection with the temperature change in the ocean D. They only live in the deep - sea and do not interact wit...
油交习从物计育断红行市它油交习从物计育断红行市它Theseanimalsareatthetopofthefoodc___intheocean'secosystem.
Marine ecosystem, complex of living organisms in the ocean environment. Marine waters cover two-thirds of the surface of the Earth. In some places the ocean is deeper than Mount Everest is high; for example, the Mariana Trench and the Tonga Trench in the
The krill is perhaps the most important animal in the marine ecosystem! Estimated Population Size Trillions Biggest Threat Changing climate and habitat Most Distinctive Feature The bioluminescent body Gestation Period A few days Habitat Coastal and deep ocean regions Predators Whales, seals, birds, fish...
Earth, as a whole, features an innumerable amount of connected ecosystems, from the ocean to forests and deserts. The ocean is a marine ecosystem, whereas a lake or pond is a freshwater ecosystem. Swamps are a type of wetland ecosystem with poor drainage and many trees. Marshes are also we...
The uninvited guests in the ocean may bebig sharks, but the uninvited guests of nature are humans. Human beingswantonly destroy nature, leading to global warming, rising water levels andturning many islands into a vast ocean. More serious consequences are yet tocome. ...
Marinemammalsareanimalslikewhales,dolphins,andseals.Theyhavefurorblubberandareairbreathing,buttheyhaveadaptedtoliveintheocean.要点三 Invertebrates Marineinvertebratesincludeanimalslikeoctopus,squid,andseastars.Theydonothaveabackboneandhavespecialbodypartstohelpthemmoveandsurviveinthewater.Marineanimalhabitats Coralreef...
Greenland,Gronland,Kalaallit Nunaat- the largest island in the world; lies between the North Atlantic and the Arctic Ocean; a self-governing province of Denmark Baffin Island- the 5th largest island and the largest island of Arctic Canada; lies between Greenland and Hudson Bay ...
) animals is crucial for the health and balance of our oceans, since they play a vital role in the marine ecosystem, serving as food sources; contributing to nutrient cycling, and maintaining biodiversity. However, human activities such as overfishing, habitat destruction, and pollution pose ...
When people catch sharks, they3their finsand throw the sharks back into the ocean. This is notonly crue, but also harmful to the environment. With-out a fin, a shark can no longer swim and 4 dies.Sharks are at the top of the food chain in the ocean'secosystem(生态系统). If their...