Information Sheet: Aquatic Environments

Tides often influence fishing success. Fish are generally most active:

• At slack tide (when the tide isn't moving)

• During rising or falling tides

• Only at high tide

• Only at low tide

What are organisms in the context of aquatic environments?

• Plants, animals, fungi, and microorganisms living in water.

• Only fish and whales.

• Only plants and algae.

• Only bacteria and viruses.

What term describes groups of the same species living in one area in aquatic environments?

• Populations

• Communities

• Ecosystems

• Habitats

What are communities in aquatic environments?

• Different populations interacting together in the same ecosystem.

• A single species living alone in water.

• Only plants found in aquatic habitats.

• Non-living things found in water.

Which of the following is NOT an abiotic component affecting aquatic life?

• Temperature

• Light availability

• Fish

• pH levels

Which aquatic environments matches this description: where freshwater meets saltwater.

• Lakes

• Streams/Rivers

• Estuaries

• Coastal zones

• Still, freshwater ecosystems

Abiotic factors like light or oxygen influence where organisms can live in aquatic environments.

• True

• False

What gas makes up the majority of Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

Which of the following is an example of a predator-prey relationship in aquatic environments?

• Clownfish and anemones

• Sharks and fish

• Species competing for food

• Algae blooms

What is an ecosystem in the context of aquatic environments?

• A community of organisms interacting with their environment.

• A single fish living alone in a tank.

• A body of water with no living things.

• A collection of rocks and sand only.