Task Cards Biodiversity and Succession 24-25

1. Which population would likely increase if the blue whale population decreased?

• Crabs

• Squid

• Leopard Seals

• Krill

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

2. What happens to food resources if pollinators decrease?

• They increase.

• They decrease.

• They stay the same.

• They become toxic.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which event is associated with primary succession?

• Forest fire

• Glacier retreat

• River overflow

• Overfishing

Tags

NGSS.MS-ESS2-2

4. What makes an ecosystem more sustainable?

• Low biodiversity

• High biodiversity

• Removal of decomposers

• Fewer predators

Tags

NGSS.MS-LS2-5

What is dynamic equilibrium

• Constant population growth

• Rapid species extinction

• Balance with small changes

• Lack of predators

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

6. What happens first in secondary succession?

• Soil is present, allowing plants to regrow.

• Climax community immediately forms.

• Animals move in before plants.

• Only producers return.

7. What is the role of pioneer species in succession?

• Establish soil and make the area habitable.

• Dominate climax communities.

• Prevent other species from growing.

• Only appear in aquatic ecosystems.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

8. Why are food webs more stable with high biodiversity?

• Predators are eliminated.

• More species can fill different roles.

• Producers are not needed.

• Consumers have no competition.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

9. Which of the following causes primary succession?

• Forest fire

• Hurricane

• Glacier retreat

• Human pollution

10. How does habitat loss impact biodiversity?

• Increases species variety

• Improves predator-prey relationships

• Increases resources

• Decreases species diversity

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5