Quiz on Marine Ecosystems

What is a marine ecosystem?

• A type of freshwater ecosystem.

• A community of living organisms and non-living components in a saltwater environment.

• An ecosystem that only includes plants.

• A community of only non-living components.

What is a marine ecosystem?

• A type of freshwater ecosystem.

• A community of living organisms and non-living components in a saltwater environment.

• An ecosystem that only includes plants.

• A community of only non-living components.

What are biotic factors?

• Only the animals in an ecosystem.

• The living components of an ecosystem.

• The non-living components of an ecosystem.

• Only the plants in an ecosystem.

What are abiotic factors?

• Only the chemical elements in an ecosystem.

• The non-living components of an ecosystem.

• Only the physical elements in an ecosystem.

• The living components of an ecosystem.

What is ecology?

• The study of only plants.

• The branch of biology that studies relationships between living organisms and their environment.

• The study of only animals.

• The study of non-living components.

What is ecological engineering?

• The application of biology to engineering.

• The design, construction, and management of sustainable ecosystems.

• The study of only engineering principles.

• The management of only human-made structures.

What are some negative human impacts on marine ecosystems?

• Conservation and sustainable practices.

• None of the above.

• Pollution, overfishing, habitat destruction, climate change.

• Only positive impacts.

What is one effect of pollution on marine life?

• It helps marine animals thrive.

• It harms marine animals.

• It has no effect.

• It only affects land animals.

What happens due to overfishing?

• Fish populations increase.

• Only certain fish are affected.

• Some species may disappear.

• It has no effect on the food chain.

What is habitat destruction?

• Building new habitats.

• Only affecting land habitats.

• Improving marine ecosystems.

• Destroying coral reefs, mangroves, and seagrass.