"The survival of living things depends on a certain environment" PPT

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"The survival of living things depends on a certain environment" PPT

Part One: Introduction of New Course

In what environment do goldfish and cacti live? What would happen if their living environments were reversed? What does this mean?

learning target

1. Give examples of the effects of abiotic factors such as moisture, sunlight, and temperature on living things.

2. Give examples to illustrate the impact of biological factors on organisms.

Think about it, discuss it

What are the factors that affect normal growth of wheat? Can you classify these factors?

The survival of living things depends on a certain environment PPT, the second part of the content: summary

1. What are ecological factors?

Factors in the environment that affect biological morphology, physiology, and distribution.

2. What categories can ecological factors be divided into?

Abiotic factors - sunlight, temperature, water, air, soil, etc.

Biological factors - other organisms that affect the life of an organism

The survival of living things depends on a certain environment PPT, the third part: learning new knowledge

1. The impact of abiotic factors on living things

Effect of temperature on plant distribution

Effects of temperature on animal life

Effect of moisture on biological distribution

Effects of sunlight on living things

Effects of light on living things

Effects of air on living things

2. The impact of biological factors on organisms

What are the biological factors that affect the life of mice?

Intraspecific relationships: other mice

Interspecies relationships: grass, snake, fox, etc.

(1) Intraspecific relationships

intraspecific mutual aid

intraspecific struggle

(2) Interspecific relationships

compete

parasitic

prey

symbiosis

The survival of living things depends on a certain environment PPT, part 4: feedback in class

1. "Three or two branches of peach blossoms outside the bamboo are a prophet of the warmth of the spring river." The non-biological factors that affect the life of ducks described in this poem are mainly ( )

A.Light B.Temperature

C.water D.air

2. Which of the following ecological factors are not abiotic factors ( )

A. Sunshine, temperature B. Air, temperature

C.Moisture, soil D.Pollen, virus

3. "Spring orchids and autumn chrysanthemums, oranges in the south and pears in the north." The ecological factors that cause the above differences in plant life are ( )

A.Temperature and moisture B.Light and temperature

C.Moisture and light D.Soil and temperature

Keywords: Beijing Normal University edition eighth grade biology PPT courseware for volume 2 free download, the survival of living things depends on a certain environment PPT download, .PPT format;

For more information about the PPT courseware "Ecosystems and Their Stability, the Survival of Organisms Depends on a Certain Environment", please click the Ecosystem and Its Stability ppt, The Survival of Organisms Depends on a Certain Environment ppt tag.

"The survival of living things depends on a certain environment" PPT courseware:

"The survival of living things depends on a certain environment" PPT courseware Part 1: Recollection and thinking: 1. What is the environment? What is the relationship between organisms and the environment? 2. What are ecological factors? 3. What are the ecological factors in the environment? 4.Abiotic factors package..

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Update Time: 2024-09-26

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

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