Q: What are the only invertebrates that can fly?


Read this paragraph and choose the correct option from the provided answers:

The main reason that insects have been so successful is their ability to fly. Insects are the only invertebrates that can fly and the first animals to evolve flight. Flight has important advantages. It’s a guaranteed means of escape from nonflying predators. It also aids in the search for food and mates.

 Choices:

- birds

- amphibians

- mammels

- insects


A:
insects