Understanding Plankton

What are plankton primarily known for in the ocean ecosystem?

• Living on the ocean floor

• Floating and drifting in the ocean

• Being the largest sea creatures

• Being the fastest swimmers

What is the main characteristic of phytoplankton?

• They live on land

• They are animal-like organisms

• They are larger than most sea creatures

• They perform photosynthesis

Which of the following is a type of zooplankton?

• Seaweed

• Jellyfish

• Diatoms

• Coral

How do some fish and shellfish begin their lives?

• As eggs or tiny larvae

• As seaweed

• As coral

• As adult fish

Why is plankton crucial for life on Earth?

• They are the largest animals in the ocean

• They produce much of the oxygen we breathe

• They live on land

• They are the fastest swimmers