Kelp Forest Ecosystem Quiz

What makes the kelp forest ecosystem unique compared to terrestrial forests?

• It has no predators.

• It is made of giant trees.

• It is made of towering strands of kelp.

• It is located in tropical regions.

Why are kelp forests crucial to marine ecosystems?

• They are the only source of food for sea otters.

• They support over 800 species and provide crucial habitat and food.

• They provide shelter for only a few species.

• They are the primary source of oxygen in the ocean.

What is a trophic cascade?

• A type of marine mammal.

• A balanced relationship between different species.

• A type of underwater plant.

• A method of planting kelp.

What historical event significantly reduced the otter population?

• The discovery of America

• The Industrial Revolution

• The Gold Rush

• The fur trade by European settlers

What caused the imbalance in the kelp forest ecosystem in Northern California?

• A mysterious marine disease and warm ocean water

• An increase in kelp growth

• An increase in sea otter population

• A decrease in sea urchin population

What is the role of humans in the restoration of kelp forests?

• To eliminate all sea urchins

• To increase the temperature of the ocean

• To plant more trees on land

• To temporarily fill the role of natural predators

How are scientists using aerial imagery in kelp forest restoration?

• To track the movement of sea otters

• To count the number of fish

• To measure the temperature of the ocean

• To map the extent of kelp loss

What is the significance of lab-grown kelp in ecosystem recovery?

• It is not affected by predators.

• It grows slower than natural kelp.

• It does not require sunlight.

• It provides a headstart in the environment.

What is the main goal of conservation efforts for sea otters?

• To relocate them to aquariums

• To train them to avoid predators

• To restore them to their historic habitat

• To increase their population in tropical regions

What does the kelp forest remind us about nature?

• It is only found in warm waters.

• It is precious and fragile.

• It is resilient and indestructible.

• It is always visible and easy to access.