Quiz: Jelly Population Explosion

What is a jelly population explosion?

• A jelly that explodes

• A jelly species going extinct

• A sudden large increase in jelly population

• A jelly that eats too much

Tags

NGSS.MS-LS2-4

What do jellies and sardines both eat?

• Seaweed

• Zooplankton

• Seals

• Other fish

Tags

NGSS.MS-LS2-3

Which ecosystem had a jelly population explosion?

• Southern Benguela

• Northern Benguela

• Indian Ocean

• Pacific Coast

What caused the sardine population in Northern Benguela to decrease?

• Lack of food

• Overfishing

• Pollution

• Climate change

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What is the relationship called when two organisms compete for the same food?

• Predation

• Competition

• Symbiosis

• Parasitism

What did Southern Benguela do to protect fish populations?

• Built walls

• Passed fishing limit laws

• Added more sardines

• Removed jellies

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Why did jellies reproduce more in Northern Benguela?

• They had more predators

• More zooplankton were available

• The water was colder

• They migrated inland

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS1-4

Jellies and sardines are directly connected on the food web.

• True

• False

Northern and Southern Benguela are divided by a strong ocean current.

• True

• False

Tags

NGSS.MS-ESS2-6

Zooplankton populations increased after sardines were overfished.

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1