What types of animals are "crustaceans"? Give several examples. What are examples of symbiogenesis? How those examples could be important ecologically and evolutionarily. Which animal species would be the best and worst ft to adhere to a ketogenic diet? Explain based on anatomy, digestion, absorp...
What types of animals are "crustaceans"? Give several examples. What are some examples of animals with high metabolism? What constrains arthropods from reaching the size of humans? Which classification of animals has the longest alimentary canal?
as you get to the top of the pyramid, there’s really no place for a crane to stand. The stone blocks are too narrow to provide a base. 教授简单描述理论之后立刻提出转折,这个理论的问题就在于金字塔顶端没有地方
Animals see differently – from simple eyes that only tell the difference between light and dark, to complex eyes that can see colours and depth perception.
All dolphins are carnivores, eating fish and squid. Different species of dolphins focus on different foods and they have a variety of hunting styles. Some dolphins eat crustaceans such as lobsters, shrimp and crabs while some eat octopus and cuttlefish. Researchers are mystified about why dolphins...
A shark has a study jaw and sharp teeth capable of tearing tough skin, bones, or hard shells of marine animals. Sharks remain at the top of the food chain since they are less likely to be eaten by other aquatic animals. Yes. Sharks maintain the species below them in the food chain...
Attacking animals (or humans) on dry land, an alligator or crocodile can spring out of the water in a quick burst to drag its prey underwater and drown them. Crocodiles can run in short 1-2 second bursts at around 35km/h. Alligators, meanwhile, are usually a little faster due to ...
Narrator: Listen to part of a lecture in a biology class. Professor: Ways in which animals adapt to their environment are often quite ingenious actually. And as an example of this, let me tell you about a fish, a group of fish known as the Notothenioids. ...
These snails get the calcium they need to keep their shells strong by eating the shells of other marine animals, including other snails. Most sea snails are algal grazers and will eat the algae that form over rocks, sediment, and reefs. ...
Are Crocodile attacks on humans common? While rare, Crocodile attacks on humans do occur, especially if the Crocodile feels threatened or cornered. 3 What do Octopuses eat? Octopuses typically eat crustaceans, small fishes, and other small marine animals. 1 How big can both Crocodiles and Octopus...