Sagot :
Answer:
Animals can be classified as either vertebrates or invertebrates. Vertebrates are animals that have a backbone inside their body. Invertebrates don't have a backbone. They either have a soft body, like worms and jellyfish, or a hard outer casing covering their body, like spiders and crabs.
Answer:
Vertebrates are animals that have a backbone inside their body. Invertebrates don't have a backbone. They either have a soft body, like worms and jellyfish, or a hard outer casing covering their body, like spiders and crabs.