Question

Why are phytoplankton essential to aquatic life zones?

Answer 1

the phytoplankton are essential because they provide the food for zooplankton and together make the base of oceanic food chain.

Answer 2

• phytoplankton are critical organisms on earth and they are vital for marine life.
• They generate half the atmosphere's oxygen per year, as much as the land organisms.
• They provide the primary food source for zooplankton.
• They form the base of every ocean's food web.
• They get their energy from carbon dioxide through photosynthesis, so they are important in carbon cycling.
• In simple words,they make ocean life possible.