Kelp review-OHS

What is the primary producer in a kelp forest ecosystem?

• Coral

• Phytoplankton

• Kelp

• Seagrass

Tags

NGSS.MS-LS2-3

Which of the following animals is NOT typically found in a kelp forest?

• Sea otter

• Garibaldi

• Clownfish

• Sea urchin

What role do sea otters play in kelp forest ecosystems?

• They eat kelp, keeping the forest from becoming too dense.

• They prey on sea urchins, helping to control their population.

• They provide nutrients to the kelp through their waste.

• They have no significant impact on kelp forests.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is a primary consumer in a kelp forest food web?

• Kelp bass

• Sea urchin

• Leopard shark

• Harbor seal

Tags

NGSS.MS-LS2-2

What is the main reason kelp forests are important for biodiversity?

• They provide a source of fresh water.

• They offer a unique habitat that supports a wide variety of species.

• They are the only source of food for many marine animals.

• They produce oxygen through photosynthesis.

Tags

NGSS.MS-LS2-4

Which of the following is a top predator in the kelp forest food web?

• Kelp crab

• Sea star

• California moray

• Great white shark

Tags

NGSS.MS-LS2-3

What is one of the major threats to kelp forests worldwide?

• Overfishing

• Overpopulation of sea urchins

• Increased sedimentation from river runoff

• All of the above

Tags

NGSS.MS-LS2-4

How does climate change pose a threat to kelp forests?

• By increasing ocean temperatures, which can stress kelp and reduce its growth.

• By decreasing the amount of sunlight that penetrates the water surface.

• By increasing the salinity of the ocean, which kelp cannot tolerate.

• By reducing the amount of carbon dioxide in the water, which kelp needs for photosynthesis.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What conservation strategy is used to protect kelp forests?

• Establishing marine protected areas

• Banning all fishing activities

• Removing all predators from the ecosystem

• Planting kelp in freshwater environments

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Why is it important to maintain a healthy population of sea urchins in kelp forests?

• They provide a food source for many kelp forest predators.

• They help to aerate the ocean floor.

• They compete with kelp for sunlight, keeping the forest from becoming too dense.

• They can overgraze on kelp if their populations are not controlled.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5