Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 2, Textbook Edition
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 2
Fourth-grade science volume 2 of the E-education edition
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 2
Fifth Grade Science Volume 2, Textbook Edition
E-education edition fifth grade science volume 1
Qingdao Edition Fifth Grade Science Volume 2
Hunan Education Edition Fifth Grade Science Volume 2
E-education edition sixth grade science volume 1
Category | Format | Size |
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Science Edition for Sixth Grade Science Volume 1 | pptx | 6 MB |
Description
"The Meaning of Biodiversity" Biological Diversity PPT Courseware 4
Biodiversity and us
What do we do in a day? How many of them are biologically related?
Plants are closely related to our lives
Human life cannot be separated from plants
1. Provide food for humans;
2. For human appreciation;
3. Provide to humans as medicinal materials;
4. Humans can use plants to make daily necessities and school supplies;
5. Can purify the air;
6. Provide food for animals.
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.
Soybeans and rhizobia are mutually beneficial, and rhizobia can fix nitrogen for soybeans
We could give many more such examples.
1. Ants and worms live in symbiosis. The intestines of ants provide an oxygen-free environment for the worms, and the worms can nitrocellulose.
2. Sea anemones can provide shelter for clownfish, and clownfish swimming can bring food to sea anemones.
3. Orchids in tropical rainforests rely on tall trees to grow without falling.
4. Soybeans and rhizobia are mutually beneficial, and rhizobia can fix nitrogen for soybeans.
5. Lynx feeds on snowshoe hare
6. Roundworms require the human intestine as a parasitic environment to survive
7. All viruses are parasitic and must live in living cells.
8. Paramecium must feed on other small plankton to survive
9. Big fish eat small fish, small fish eat shrimps
10. The rhinoceros provides small bugs as food for the birds, and the birds deworm the rhino.
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. ( )
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.
Keywords: Biodiversity teaching courseware, Biodiversity significance teaching courseware, Educational Science Edition sixth grade science PPT courseware download, Sixth grade science slide courseware download, Biodiversity PPT courseware download, Biodiversity significance PPT courseware download Courseware download, .PPT format;
For more information about the "Biological Diversity and the Significance of Biological Diversity" PPT courseware, please click the Biological Diversity ppt and the Significance of Biological Diversity ppt tag.
"The Meaning of Biodiversity" Biodiversity PPT download:
"The Meaning of Biological Diversity" Biological Diversity PPT Download Part 1 Content: Introduction to the new lesson The earth is our beautiful home. All kinds of creatures play different roles in this home. They are interdependent and interdependent. function, influence each other. ..
"The Meaning of Biodiversity" Biological Diversity PPT:
"The Meaning of Biodiversity" Biological Diversity PPT Part One: Biodiversity and Us What do we do in a day? How many of them are biologically related? Biological diversity is the basis for human survival and development...
"The Meaning of Biodiversity" Biological Diversity PPT Courseware 5:
"The Meaning of Biodiversity" Biological Diversity PPT Courseware 5 Biodiversity of Us What do we do in a day? How many of them are biologically related? Document the results of our investigation. Plants are closely related to our lives, animals and me...
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Update Time: 2024-09-18
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