Phytoplanktons are also called microalgae. They are the foundation of the aquatic food web and the primary producers. They feed everything from microscopic to multi-ton whales. Thus, the answer to the question above is letter B. Provide basis of food chains.
Answer:
landmarkes
Explanation:
i took a test abt it last year and i got it right
Preserved footprints left behind by animals are called ichnites.