Question

- How do free-living nematodes contribute to the carbon cycle?

- Name three arthropod head appendages and state their functions.

-Describe two structures that allow arthropods to breathe air.

Answer 1

@tanay123, free living nematodes break down organic matter in the soil or where ever else they may be. Arthropod head appendages could be pinchers, antennae, "tongues" of butterflies.

Answer 2

Thanks @mrdoldum