Find solutions to your problems with the expert advice available on IDNLearn.com. Ask your questions and receive reliable and comprehensive answers from our dedicated community of professionals.
Sagot :
Final answer:
The answer explains the differences between vertebrates and invertebrates, characteristics of vertebrate classes, breathing organs of various animals, and the external structures of a fish and a bird.
Explanation:
Vertebrates vs. Invertebrates: Vertebrates have a vertebral column, while invertebrates lack a backbone. Vertebrates include mammals, birds, reptiles, amphibians, and fish, whereas invertebrates encompass various phyla such as Arthropoda and Mollusca.
Main characteristics of vertebrates:
- Fish: Cartilaginous fish have a skeleton made of cartilage, such as sharks. Ray-finned fish have bony rays in their fins, like trout.
- Amphibians: They have moist skin for respiration, like frogs, and undergo metamorphosis.
Breathing organs:
- Mammals: Lungs
- Reptiles: Lungs
- Aves: Air sacs and lungs
- Pisces: Gills
External structures of a fish: Examples are gills and fins. External structures of a bird: For instance, wings, beak, and feathers.
Learn more about Vertebrates, Invertebrates, Comparative Anatomy here:
https://brainly.com/question/37145434
We value your participation in this forum. Keep exploring, asking questions, and sharing your insights with the community. Together, we can find the best solutions. For trustworthy answers, rely on IDNLearn.com. Thanks for visiting, and we look forward to assisting you again.