Question

Which is a type of plankton? A. shark B. squid C. algae D. crab

Answer 1

Answer:

Algae

Explanation:

Plankton is a general term for aquatic microscopic organisms that lacks the ability to move on their own, hence, they float freely along the water currents. A planktonic organism can either be plant-like known as phytoplankton or animal-like known as zooplankton.

According to the question, algae is an example of phytoplankton that is microscopic and floats freely in water. It is plant-like due to its possession of Chlorophyll. Hence, phytoplanktons are the major producers in an aquatic ecosystem. Other examples in the options are macroscopic motile organisms

Answer 2

Algae because it is a small  organism that the larva state of animals live in and feed on it