"Ecosystem Overview" PPT courseware

Description

"Ecosystem Overview" PPT courseware

Part One: Learning Objectives

1. State the concept of ecosystem.

2. Outline the composition of ecosystems and concepts such as producers, consumers, and decomposers.

3. Understand the role of various components in ecosystems.

Ecosystem overview PPT, part 2: learning new knowledge

1. A forest is an ecosystem

Read the information about Kaiba Forest on page 68 of the textbook. Think about it, what kind of creatures are there in Kaiba Forest? What other non-living things are there?

Ecosystem concept:

In a certain natural area, all living things and their living environment constitute a unified whole called an ecosystem.

2. Components and functions of ecosystems

plant

It can use sunlight and inorganic matter to create organic matter, providing matter and energy for various organisms in the ecosystem.

animal

It cannot produce organic matter and can only feed on plants directly or indirectly.

microorganism

Saprophytic bacteria, fungi and other microorganisms can decompose organic matter in animal and plant remains into inorganic matter for use by green plants.

Ecosystem overview PPT, part 3: feedback in class

1. Among the following options, which one can be regarded as an ecosystem ( )

A. All the trees in a forest

B. All living things in a wheat field and the inorganic environment such as sunlight and air

C. All animals, plants and microorganisms in the pond

D. Inorganic environment such as sunlight, soil and air on a grassland

2. Among the following organisms, those that are decomposers are ( ), those that are producers are ( ), and those that are consumers are ( )

A.Grass and goat B.Fungi

C. Calabash moss D. Frog

Keywords: Free download of Beijing Normal University edition biology PPT courseware for eighth grade volume 2, ecosystem overview PPT download, .PPT format;

For more information about the "Ecosystem and its Stability Ecosystem Overview" PPT courseware, please click the Ecosystem and its Stability ppt Ecosystem Overview ppt tag.

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Update Time: 2024-09-16

This template belongs to biology courseware Beijing Normal University Edition Eighth Grade Biology Volume 2 industry PPT template

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