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Lesson for Ecosystem Review

Lesson for Ecosystem Review

Assessment

Presentation

Science

7th Grade

Practice Problem

Medium

NGSS
MS-LS2-3, MS-LS2-2, MS-LS2-5

+1

Standards-aligned

Created by

LILIANA MARQUEZ

Used 47+ times

FREE Resource

10 Slides • 8 Questions

1

Ecosystem Review

Let's Review! 😊 Refer to notebook pages 64-69 and 82-99 for support.

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2

Learning Objective

SWBAT identify abiotic and biotic factors, ecological relationships, and the flow of energy among factors of an ecosystem to review for the ecosystem assessment.

3

Biotic

Living or produced by living things

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4

Abiotic

Not living; not produced by living things

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5

Multiple Select

Abiotic factors within an ecosystem are ... (select more than one)

1

light

2

water

3

air

4

grass

6

What is happening in each picture?

Random Selection

(+)= benefits, (-)=harmed, (0)=not affected; neutral

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7

Multiple Choice

What is it called when an organism fights with another organism over a limited resource?

1

Predation

2

Competition

3

Symbiosis

4

Mutualism

8

Multiple Choice

Which is an example of a parasitic relationship?

1

A barnacle attaching itself to a whale to move from place to place.

2

A leech attaching itself to your leg and feeding off of your blood.

3

A bird eating insects off the back of a cow in the field.

9

Multiple Choice

In mutualism, both organisms in the relationship...

1

are harmed

2

benefit

3

is neither helped nor harmed

10

Multiple Choice

In a commensalistic relationship, one organism benefits and the other organism

1

is harmed

2

benefits

3

is neither helped nor harmed

11

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12

Multiple Choice

If ants get their energy from producers, which trophic level would the antlion be?

1

producer

2

primary consumer

3

secondary consumer

4

decomposer

13

Explain the role a decomposer plays.

Use the chat box! (30 seconds)

14

Poll

Biodiversity is all about the variety of life.

True

False

15

Multiple Choice

In a food chain, the arrows always point to the one...

1

doing the eating

2

being eaten

16

Explain what might happen if the squid were removed from the web. 

(Class Discussion)

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17

Asynchronous/Independent Practice

Study your vocabulary pages 64-69, Study Quizizz link, and Study Kahoot link!

18

The End (:

Study Study Study!!

Ecosystem Review

Let's Review! 😊 Refer to notebook pages 64-69 and 82-99 for support.

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Show answer

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