what are vertebrates ?
what are invertebrates ?
what is amphibia ?
what is respiration ?
Answers
Answer:
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Explanation:
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Explanation:
vertebrate- Vertebrates comprise all species of animals within the subphylum Vertebrata. Vertebrates represent the overwhelming majority of the phylum Chordata, with currently about 69,963 species described.
invertebrates- an animal without a solid line of bones (backbone) going along its body
amphibia -An amphibian is a cold-blooded vertebrate animal that is born in water and breathes with gills. As the larva grows into its adult form, the animal's lungs develop the ability to breathe air, and the animal can live on land. Frogs, toads, and salamanders are all amphibians
respiration-the act or process of breathing : the inhaling of oxygen and the exhaling of carbon dioxide. 2 : the process by which cells use oxygen to break down sugar and obtain energy. respiration. noun.