Q: What are the sharp projections that specialized cells grow called?


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

Some of the specialized cells grow short, sharp projections called spicules. Spicules make up the sponge’s internal skeleton, or endoskeleton. The endoskeleton helps to support and protect the sponge.

 Choices:

- ossicles

- cilia

- antlers

- spicules


A:
spicules