Sea Otter Video Questions

What organism is considered to be the keystone species in the Kelp forest ecosystem?

• Sea Otter

• Sea Urchins

• Kelp

Tags

NGSS.MS-LS2-4

What organisms eat Kelp (seaweed- brown algae)?

• Sea Urchins

• Sea Otters

• Kelp

What organism do sea urchins affect when they eat large amounts of kelp and what happens?

• Kelp and causes fish and shellfish to lose their habitat and population to decrease

• Kelp and causes fish and shellfish to survive and population to decrease

• Sea otter and causes fish and shellfish to lose their habitat and population to decrease

• Sea otter and causes fish and shellfish to survive and population to decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What organism eat sea urchins?

• Sea otter

• Sea urchin

• Kelp

Why are sea otters considered to be the keystone species in the Kelp forest ecosystem?

• By protecting the kelp forest from the sea urchins eating too much kelp and protecting the fish and shellfish habitat

• By preventing the destruction of the Kelp forest

• Keeping the sea urchins population from overshooting carrying capacity

• By helping the sea urchins eat some of the kelp

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4