"Food Chains and Food Webs" Biology and Environment PPT Courseware

Description

"Food Chains and Food Webs" Biology and Environment PPT Courseware

This chain-like food relationship between organisms is called a food chain

Producers: We call organisms like roses and grasses that can produce their own food producers.

Consumer: An organism that directly or indirectly consumes food produced by other organisms is called a consumer.

Notice:

1. Pay attention to the arrow in the food chain pointing toward the party that needs food.

2. Pay attention to the general situation starting from plants and ending with animals.

Give it a try:

1. The food chain "the mantis stalks the cicada, followed by the oriole" can be accurately expressed as ( )

A． Cicada → mantis → oriole B. oriole → mantis → cicada

C. Plant → cicada → mantis → oriole D． oriole → mantis → cicada → plant

2. Which of the following is correct about a certain food chain in the grassland ( )

A． Rat→Snake→Eagle B． Grass → Rat → Snake → Eagle

C. Rat←Snake←Eagle D. Grass ← Rat ← Snake ← Eagle

3. The picture shows the grassland ecosystem. Based on this ecosystem, a student wrote four food chains. The correct one is ( )

A． Eagle→Snake→Rat→Grass

B. Grass → Rat → Snake → Eagle

C. Grass → Rat → Snake

D． Soil→Grass→Mouse→Eagle

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For more information about the "Biology and Environment Food Chain and Food Web" PPT courseware, please click the "Biology and Environment ppt Food Chain and Food Web ppt" tab.

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Update Time: 2024-10-01

This template belongs to science courseware Fifth Grade Science Volume 1, Textbook Edition industry PPT template

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