There are 18 species of earless seals. Fur seals are not true seals. Fur seals feed mainly on krill—a small type of shrimp. When diving for food seals have been known to reach depths of 300 meters, but throughout the breading season of several weeks, male seals do not eat or drink...
Krill, a tiny shrimp that is dependent on sea ice, is the main source of food for many of the great whales. The speeding up of climate change adds greatly to trouble from other human activities, such as chemical and noise pollution, which kills some 1,000 whales every day. "Whales...
The most significant differences between plankton and krill can be found in their size and phylogenetic families. All krill are plankton, but not all plankton are considered krill. Krill are small, shrimp-like creatures that come from two phylogenetic families, Euphausiidae and Bentheuphausiidae...
Krill, a tiny shrimp that is dependent on se a ice, is the main source of food for many of the great whales.The speeding up of climate change adds greatly to trouble from other human activities, such as chemical and noise pollution, which kills some 1.000 whales every day."Whales and ...
What are the trophic levels in a food chain? What trophic level is a squid? What is at the bottom of the food chain? What is the trophic level of algae? What eats seagrass in a coral reef? What eats krill in the coral reef?
Coral reefs are found all over the world, located generally in the subtropics and tropics. Several major reefs are found around the world, particularly the famous Great Barrier Reef. They can usually be found in shallow waters and support thousands of species of marine life. ...
(2)B. 推理判断题.根据第二段最后一句 Krill,a tiny shrimp that is dependent on sea ice,is the main source of food for many of the great whales.磷虾是一种依靠海冰生存的小虾,是许多大鲸鱼的主要食物来源。可知鲸鱼的主要食物是"krill"磷虾,所以选B. (...
Is a lobster a member of the phylum Crustacea? Are crabs nekton? Are termites herbivores, carnivores or omnivores? Is a crab a decomposer? Do shrimp eat krill? Are crabs benthos? Do lobsters feel pain when boiled? Are carnivorous plants autotrophs or heterotrophs? Are worms autotrophs or ...
krill 解析:“. a tiny shrimp-like creature calledkril.”一种似乎具有很大收获可能性的微小的虾状浮游生物被称为磷虾”。8. provides 解析: “krill provides the major food forthe great blue whale,"“即成为地球上曾居住过的最大动物——蓝鲸的主要食物”。9. major 解析:“krill provides the major ...
True seals are earless.There are 18 species of earless seals.Fur seals are not true seals.Fur seals feed mainly on krill-a small type of shrimp.When diving for food seals have been known to reach depths of 300 meters, but throughout the breading season of several weeks, male seals do...