benthos
nekton
benthos - it lives on the sea bed and "swims" occassionally.
Dolphins are nekton because they actively swim and catch their food.
a sea cucumber is a benthos because it does not move is just stays on the ocean floor
Sea otter are nekton and plankton; they can float and swim.
A sea urchin is classified as benthos. Benthos refers to organisms that live on or near the bottom of a body of water, and sea urchins typically inhabit the ocean floor, often among rocks or coral. In contrast, plankton are free-floating organisms, and nekton are active swimmers.
Nope. They are nekton because they actively swim and catch their food.
Oops that definition was for nekton. Sorry! Nekton are any sea animals that live on the ocean floor, from the continental shelf to the abyssal plain. Starfish, coral, sea urchins, and crabs are included.
Zooplankton (pronounced ZO A PLANKTON) is plankton
Nekton are aquatic organisms that can swim and move independently in water, such as fish, whales, and squid. Benthos are organisms that live on or in the ocean floor, such as sea stars, crabs, and clams. Both groups are important components of marine ecosystems.
A tube worm is classified as benthos. Benthos refers to organisms that live on or near the seabed, and tube worms typically inhabit deep-sea environments, often attaching themselves to the ocean floor or hydrothermal vents. Unlike nekton, which are swimming organisms, and plankton, which are usually drifting or floating in the water column, tube worms remain anchored to their substrate.
Echinoderms are primarily classified as benthos, as they typically inhabit the ocean floor and are often found attached to substrates or crawling along the sea bottom. While some echinoderms, like certain species of starfish and sea cucumbers, may exhibit limited movement, they are not considered nekton, which refers to actively swimming organisms. Instead, echinoderms play important roles in benthic ecosystems.