Unit 11 Ecosystems

Which statement correctly describes secondary succession?

• Secondary succession occurs after a glacier retreats, leaving behind bare rock

• Secondary succession occurs after a fire, leaving behind soil

• Secondary succession is the first time living things colonize an area

• Secondary succession is when an ecosystem does not change

Tags

NGSS.MS-LS2-4

Which of the following are examples of pioneer species during PRIMARY succession?

• lichen and mosses

• seasonal grasses and flowers

• bushes and shrubs

• mature trees

Tags

NGSS.MS-LS2-3

Which ecological process takes longer to achieve a climax community?

• Primary succession

• Secondary succession

• Tertiary succession

• Quaternary succession

Which of the following are locations where primary succession will occur?

• after an intense forest fire

• after a glacial retreat

• after a hurricane

• after a volcanic island is formed

If a human eats a salad (plants/producers) and steak (meat/primary consumer), what trophic levels would the human be in?

• producer and primary consumer

• primary and secondary consumer

• secondary and tertiary consumer

• tertiary and quaternary consumer

Tags

NGSS.MS-LS2-2

what is an example of a microorganism?

• grass

• bird

• bacteria

• human

Producers (can do photosynthesis) make up the base of ecosystems. What is an example?

• algae

• grass

• beetle

• bird

Tags

NGSS.MS-LS1-6

What are plants called in a food chain?

• Producers
• Consumers
• Decomposers
• Scavengers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3