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LS 2: The Ecosystem in Retrospect

Authored by Maria Carpio

Science

7th - 10th Grade

Used 4+ times

LS 2: The Ecosystem in Retrospect
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

____________ is the relationship between two different kinds of organisms that live close to each other.

symbiosis

decomposers

predation

consumers

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The ultimate task of breaking down the remains of organisms are performed by ________________.

food web

predation

decomposers

nitrogen cycle

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

A symbiotic relationship in which one organism kills another for food is called _________.

photosynthesis

consumers

decomposers

predation

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

The ___________ shows how food is produced and transferred from producers to consumers.

trophic structure

food chain

predator

prey

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Energy flow in food chains and food webs is represented by an ___________________.

Ecological pyramid

Nitrogen cycle

Phosphorus cycle

Biogeochemical cycles

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nitogen-fixing bacteria are important to the __________________.

Phosphorus cycle

Nitrogen cycle

Biochemical cycle

Water cycle

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Animals are the ____________________ in a food chain.

decomposers

consumers

predators

producers

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