"The Relationship between Biology and Environment" PPT download

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"The Relationship between Biology and Environment" PPT download

Part I: The impact of the environment on organisms

Reading the picture: What factors in the environment are mainly responsible for the changes in plant morphology in the picture?

Sunlight affects changes in plant morphology

Water affects plant distribution

Water also affects the structure and form of plants

Organisms living in nature are affected by various environmental factors such as temperature, sunlight, moisture, and food.

Environmental factors such as sunlight, temperature, water, air, and inorganic salts are called abiotic factors.

Thinking: Can you give examples of the effects of abiotic factors in the environment on living things?

PPT on the relationship between organisms and the environment, part 2: adaptation and impact of organisms on the environment

Universality of adaptation: Existing organisms all have morphological structures and lifestyles that are suitable for their living environment.

Some interesting phenomena of adaptation

Protective color: The animal has a body color that is similar to the color of the environment

Mimicry: Appearance that is very similar to other living or non-living things

Alert color: The dazzling body color serves as a warning to natural enemies.

PPT on the relationship between organisms and the environment, the third part: the impact of organisms on the environment

Phenomenon 1: The activity of earthworms in the soil not only loosens the soil but also increases the fertility of the soil.

Phenomenon 2: Planting trees not only beautifies the environment. It can also purify the air, prevent wind and sand, regulate climate, and maintain soil and water.

Phenomenon 3: The shapes of some insects are very similar to leaves. Why?

PPT on the relationship between living things and the environment, part 4 content: exercises:

1. The factors that affect living things are called ecological factors; they can be divided into two categories: __________ and __________. Biological factors refer to the environmental factors in their environment.

2. Due to _____ factors, apples, pears, etc. are not suitable for planting in the tropics.

3. All living things live in a certain environment. For example, the distribution of vegetation is affected by __, and the distribution of animals often depends on __.

4. Which of the following does not belong to mimicry ( )

A． Dead leaf butterfly looks like a dead leaf

B. Some non-venomous snakes have the bright colors of venomous snakes.

C. The body and color spots of South American silkworm moth larvae resemble those of a cobra.

D. The larvae of the American brown monarch butterfly are poisonous and have large brown spots on the body segments.

5. The following groups belong to protective colors and warning colors respectively ( )

A． Tiger has markings and stripes on the belly of a wasp

B. The body color of insects and the body color of polar bears.

C. Characteristics of the leaf butterfly and the bright colors of the yellow thorn moth larvae

D. The markings on the body surface of the snake and the body color of the flatfish.

Keywords: Free download of science PPT courseware for the second volume of the ninth grade of Zhejiang Education Edition, PPT download of the relationship between biology and the environment, .PPT format;

For more information about the "Relationship between Organisms and Environment" PPT courseware, please click on the "Relationship between Organisms and Environment" ppt tab.

"The Relationship between Biology and Environment" PPT courseware download:

"The Relationship between Organisms and the Environment" PPT courseware download Part 1 content: The impact of the environment on organisms Abiotic factors: such as: sunlight, temperature, air, water, inorganic salts and other biological factors: other biological factors that affect the life of a certain organism How does it affect...

"The Relationship between Biology and Environment" PPT courseware:

"The Relationship between Organisms and the Environment" PPT courseware Part One: Biosphere What is the biosphere? (The sum of all living things on earth and their environment) Does environment just refer to the place where living things live? What is environment? Environment not only refers to the living space of living things, but also...

"The Relationship between Biology and Environment" PPT:

"The Relationship between Organisms and the Environment" PPT Part One Content: The survival of organisms depends on a certain environment. Various factors that directly affect the life of organisms are called ecological factors, abiotic factors, light, temperature, water, air, soil, and biological factors that affect the life of a certain organism. .

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Update Time: 2024-09-30

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