Part 3 Ocean Ecosystems Flashcard

Front

What is a producer in an ocean food web?

Back

A producer is an organism that can make its own food, usually through photosynthesis. In the ocean, plankton are examples of producers.

Front

How are organisms in the ocean categorized?

Back

Organisms in the ocean are categorized by how they move.

Front

Why are ocean plants only found in the first 100 meters of the ocean?

Back

Plants need sunlight for photosynthesis to survive.

Front

What are benthos?

Back

Benthos are organisms that spend their whole lives on the ocean floor, such as snails, crabs, and worms.

Front

What is the correct order of an ocean food chain?

Back

Phytoplankton, mussels, octopus, human.

Front

What is phytoplankton?

Back

Phytoplankton are tiny, photosynthetic organisms that float in the ocean and are a primary food source for many marine animals.

Front

What role do zooplankton play in the ocean ecosystem?

Back

Zooplankton are small animals that feed on phytoplankton and are an important part of the ocean food web.

Front

What is the significance of sunlight in ocean ecosystems?

Back

Sunlight is essential for photosynthesis, which allows plants to produce food and oxygen, supporting marine life.

Front

What are nekton?

Back

Nekton are free-swimming aquatic animals, such as fish and squid, that can move independently of water currents.

Front

What is the difference between benthos and nekton?

Back

Benthos are organisms that live on or near the ocean floor, while nekton are free-swimming organisms.