Question

Differentiate between nektons and benthos.

Answer 1

Sr. No.	Nektons	Benthos
1.	Nektons include large free-swimming organisms.	Benthos are organisms that crawl, creep, or are sessile.
2.	They are capable of moving freely and changing their location at will.	They live along the sides and on the bottom of the ocean basin.
3.	Nektons actively swim in the water column.	Benthos are mostly found attached to or moving on the ocean floor.
4.	Examples include fish, squids, and marine mammals.	Examples include crabs, sea stars, and barnacles.
5.	They are adapted for open water movement.	They are adapted for life on or near the seabed.