"Various Creatures" PPT Courseware

Description

"Various Creatures" PPT Courseware

Part One: Situation Import

There are many kinds of living things, from young grass to towering trees, from fish in the water to birds in the sky, from tiny creatures invisible to the naked eye to huge blue whales in the ocean, from cultivated crops, domesticated animals to humans themselves. They are all living things. Living things and their surroundings together constitute the vibrant nature.

learning target

1. Describe biological diversity.

2. Give examples of species diversity, genetic diversity, and ecosystem diversity.

3. Distinguish between living things and non-living things, and explain the characteristics of living things.

Various biological PPT, part 2 content: Exploration theme one

Biodiversity makes nature vibrant

1. Diversity of species

Activities Exchange information on species diversity

Purpose requirements

1. Enrich understanding of species diversity.

2. Improve language expression and information communication skills through communication.

hint

Try writing down the names of creatures you are familiar with on a piece of paper, and then share them with your group members. Eliminate duplicates and count how many creatures you have listed in total. Communicate the statistical results of each group in the class, and then count how many new ones have been added and how many types of creatures you have listed in total.

discuss

1. What is the environment in which the above-mentioned organisms live?

2. Why are living things so diverse?

2. Genetic diversity

3. Ecosystem diversity

Main causes of biodiversity loss

Natural factors Human factors

Volcanic eruptions destroy habitats

Typhoons, fires, overhunting

Drought, floods, air pollution

Alien species

biological concept

1. Discussion: Are robots and corals living things? Why?

Answer: No. Because they are lifeless.

2. What kind of objects are living things?

Answer: It must be "alive" and alive.

Various biological PPT, part 3 content: Exploring theme 2

Living things have characteristics that distinguish them from non-living things

1. Think about the following life phenomena and explain the characteristics of living things.

(1) The flower disk of the sunflower rotates with the sun.

(2) The stems of plants grow away from the ground and their roots grow towards the ground.

(3) The leaves of Mimosa pudica will naturally droop when touched; insect-catching plants have special insect-catching effects.

(4) Animals can capture food, escape from enemies, etc.

(Answer: Living things are stress-prone.)

2. Observe the picture and explain what characteristics the living thing has.

(Answer: Living things can grow.)

3. Observe the picture and explain what characteristics the living thing has.

(Answer: Living things can reproduce.)

Various biological PPTs, part 4: training to meet standards

1. The three connotations of biological diversity are: _________, __________, and _______________.

2. The biosphere includes ___________, __________, and _____________, and is the largest __________ on Earth.

3. The characteristics of living things include _____, _____, ______, _______, etc.

4. Which of the following objects are living things and which are not living things? and explain the reasons.

A, B, and C are not living things, and D is a living thing. A, B, and C do not have the characteristics of living things, and D has the characteristics of living things.

5. "There are many animals and plants that are endangered species. We should care for and protect them. However, organisms such as grass on the roadside do not need care and protection." Is this statement correct? Why?

wrong. Every living thing has its direct value and potential value, and is an integral part of biological diversity.

Keywords: Beijing Normal University version of the seventh grade biology PPT courseware for free download, various biology PPT downloads, .PPT format;

For more information about the PPT courseware "The World of Life and Various Creatures", please click the "The World of Life and Various Creatures" ppt tag.

"Various Creatures" PPT:

"Various Creatures" PPT Biosphere is the entire area of ​​life activities on the earth and its living environment. Including the lower layer of the atmosphere, the entire hydrosphere and the upper layer of the lithosphere. Biological Diversity Species Diversity Activity: Exchange information on species diversity Try...

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Update Time: 2024-08-19

This template belongs to biology courseware Beijing Normal University Edition Seventh Grade Biology Volume 1 industry PPT template

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