what is amphibia ?
what is respiration ?
what are vertebrates ?
Answers
Answer:
•amphibian are those that live in both water and land
•Respiratory organs of vertebrates
Such structures bring blood into close association with the external medium so that the exchange of gases takes place across relatively small distances. There are three major types of respiratory structures in the vertebrates: gills, integumentary exchange areas, and lungs.
•vertebrates are those that have backbone
Answer:
1. 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.
2. the act or process of breathing : the inhaling of oxygen and the exhaling of carbon dioxide.
3. Vertebrates are animals that have a backbone inside their body.