Answer:
In a balanced ecosystem, they provide food for a wide range of sea creatures.Phytoplankton, also known asmicroalgae, are similar to terrestrial plants in that they contain chlorophyll and require sunlight in order to live and grow.
Biological species is the term for a group of interbreeding organisms that are able to produce fertile young.
Algae will be overgrown and larger fish will begin to die out as the carrying capacity has lowered due to a limit in food.
Hair, skin, glands, nerves, and nails. And also it’s main function is to act as a barrier to protect the body from the outside world.