"The Meaning of Biodiversity" Biological Diversity PPT Courseware 3

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"The Meaning of Biodiversity" Biological Diversity PPT Courseware 3

The earth is our beautiful home, and all kinds of creatures play different roles in this home. They are interdependent, interact, and influence each other.

Biodiversity and us

What do we do in a day? How many of them are biologically related?

Human life cannot be separated from plants:

1: Providing food to humans;

2: For human appreciation;

3: Provide medicinal materials to humans;

4: Humans can use plants to make living and school supplies;

5: Can purify the air;

6: Provide food for animals.

direct use value

Medicinal value: Many wild creatures can provide important medicinal materials for humans.

Industrial raw materials: Many industries such as food, medicine, chemicals and manufacturing rely on biological materials as raw materials.

Scientific research value: Bionics and the improvement of animal and plant species all require wild organisms.

Aesthetic value: Colorful flowers and trees and animals with different expressions can provide people with beautiful enjoyment.

Biodiversity and other organisms

Just as human life cannot be separated from biological diversity, every living thing also needs to live in a biologically diverse environment.

Flowers need insects to help with pollination

Can we give other examples?

Sea anemones can provide shelter for clownfish, and clownfish swimming can bring food to sea anemones.

1. The basic survival conditions of living things are _______, _______, _______, _______, etc.

2. Biodiversity refers to all the _______ in the biosphere on the earth, namely _______, _______, _______, and the _______ and _______ they possess.

3. Biodiversity includes three levels: _______, _______ and _______.

4. _______ was officially implemented in 1993, and more than _______ countries around the world are party to this treaty.

5. Biodiversity is the foundation of human _______ and _______.

6. _______ is the basic right of living things.

judge

1. Biological survival is a right given by nature, not by humans. ( )

2. Every living thing is closely related to human beings, so we must care for them. ( )

3. The earth is our beautiful home. Various creatures play different roles in this home. They are interdependent and interact with each other. ( )

4. All living things need to live in a diverse environment, but humans do not ()

5. Ophiopogon japonicus is evergreen all year round just for human viewing. ( )

6. The flowers of all plants reproduce by themselves and do not require help. ( )

7. The transformation of wild ducks into domestic ducks is the result of natural evolution. ( )

1. Every year ( ) is the International Day for Biological Diversity.

A. March 22 B. April 22 C. May 22

2. Which of the following are not rare creatures in my country ( ).

A. Tibetan antelope B. Davidia involucrata C. Cinnamomum camphora

3. The following rare creatures unique to my country are ( ).

A. Mangrove B. Davidia involucrata C. Platypus

4. Which of the following animals is not a mammal ( ).

A.Chicken B.Dog C.Whale

5. We grow cotton mainly by using this organism ( )

A. Appreciation value B. Food value C. Economic value

Short answer

1. Just as human life is inseparable from biological diversity, other organisms also need to live in a biologically diverse environment. Please give 3 such examples.

A. Flowers need insects to help pollinate their offspring;

B. Locusts need to feed on plants;

C. The presence of frogs controls locust flooding.

D. Because there are owls on the grassland to control the number of mice, the grassland is better protected.

2. Please write down several measures to protect the biodiversity of your hometown based on the situation in your hometown.

Answer: 1. Protect plants from destruction; 2. Protect animals from hunting; 3. Protect the natural environment from destruction; 4. Use less pesticides; 5. Sewage must be purified before being discharged, etc.

3. Humans, like other animals, are inseparable from plants. Please talk about the role plants play in human life.

①. Provide food to humans; ②. Provide appreciation to humans; ③. Provide medicinal materials to humans; ④. Humans can use plants to make living and school supplies; ⑤. Can purify the air; ⑥. Provide food to animals.

4. Human beings cannot live without animals. Please talk about the role animals play in human life.

①. Providing food to humans; ②. Providing it to humans for appreciation (as pets); ③. Providing it to humans as medicinal materials; ④. Human beings can use animals to make living and school supplies; ⑤. Use them as transportation.

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Update Time: 2024-10-22

This template belongs to science courseware Science Edition for Sixth Grade Science Volume 1 industry PPT template

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