Web4. Starfish. Starfish are able to digest food outside of their body even though they don’t have blood or a brain. That, however, isn’t the most interesting aspect of these animals without brains. Starfish have the ability to … WebMar 17, 2024 · lungfish, (subclass Dipnoi), any member of a group of six species of living air-breathing fishes and several extinct relatives belonging to the class Sarcopterygii and characterized by the possession of either …
Two eyes, two ears, two nostrils — but why?
WebIn mammalian lungs, the exchange of oxygen and carbon dioxide occurs in microscopic sacs in the lungs, called 'alveoli.'. In the avian lung, the gas exchange occurs in the walls of microscopic tubules, called 'air capillaries.'. The respiratory system of birds is more efficient than that of mammals, transferring more oxygen with each breath. WebAll of these animals are mollusks except. flatworms. Amphioxus is an example of a. lancelet. An animal that maintains its body temperature by using heat generated from its own metabolism is a(n) endotherm. T/F An animal with an indirect development undergoes a metamorphosis in which larvae do not resemble the adult. textnow ceo
Vertebrates Flashcards Quizlet
WebSep 18, 2011 · Study now. See answer (1) Copy. Most land vertebrates including all birds, mammals, and reptiles have lungs. Most amphibians have lungs as well, though some … WebWhales are marine mammals and like all mammals they require air to breathe and must come to the surface of the water to take in oxygen. Unlike fish these marine mammals are not equipped with gills , which fish and other aquatic animals use to extract oxygen from water; Instead whales need to rise to the surface of the water to inhale and exhale ... WebLungfishes have lungs derived from the swim bladder. African lungfishes burrow into the bottom of a riverbed or lake bed for their “dry sleep,” or estivation. The oldest Dipnoi is from the Early Devonian. Dipterus, one of … swtor dark project gift