The term that describes organisms that live on the bottom of aquatic habitats is benthic.

Here's a breakdown:

* Benthos: The community of organisms that live on, in, or near the seabed, riverbed, or lakebed.

* Benthic: An adjective describing something related to the benthos, like "benthic organisms" or "benthic environment."

Examples of benthic organisms include:

* Sea stars

* Clams

* Worms

* Crabs

* Sea anemones

* Algae

Let me know if you have any more questions!