Q: More than half of all known organisms are what?


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

The majority of arthropods are insects (Class Insecta). In fact, more than half of all known organisms are insects. There may be more than 10 million insect species in the world, although most of them have not yet been identified. In terms of their numbers and diversity, insects clearly are the dominant animals in the world.

 Choices:

- mammals

- enzymes

- spiders

- insects


A:
insects