"Investigating Creatures in the Surrounding Environment" Understanding Biology PPT Courseware 4

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"Investigating Creatures in the Surrounding Environment" Understanding Biology PPT Courseware 4

General methods of investigation

[Independent exploration]

We can recognize and understand the creatures in our surrounding environment through investigation. So, what is an investigation? What is the main work done during the investigation?

1.Investigation

It is one of the most commonly used methods in _________.

2.Examples

______________, _________.

3. Main work

First, we must clarify _________ and _________ and formulate a reasonable _________;

During the investigation process, it is necessary to ________; to conduct _____ and _____ on the results of the investigation,

Sometimes _________ is used for statistics.

【Cooperation and exchange】

1. What should we do when the scope of investigation is very large and it is impossible to investigate one by one?

Tip: Select a subset of survey respondents as a sample.

2. If we want to investigate the average height of first-grade students in a certain school, what should the investigation plan include?

Tips: Survey purpose, survey content, survey tools, survey time, survey objects, survey methods, survey personnel and division of labor, questionnaire design, survey records, survey result processing, etc.

Survey biological species on campus, park or farmland

[Independent exploration]

We divide into groups to investigate the biological species on campus, parks or farmland. What needs to be done?

Preparation? How is the investigation conducted? How to deal with the investigation results?

1. Purpose requirements

(1) Understand the _____ seen during the record survey and their _________.

(2) Try to _____ the creatures under investigation and get a preliminary understanding of ________ and __________.

(3) Initially learn to do _________.

2. Materials and tools

_______, pen, _______, _______, camera, etc.

3. Method steps

Select ________→Group→Design______→Survey→_____→_____.

4. Precautions

(1)Design appropriate _______.

(2) Observe carefully, _________.

(3) Do not damage plants or animals, and do not destroy the living environment of organisms.

(4) Pay attention to _____.

Classification of living things

[Independent exploration]

1. According to the morphological and structural characteristics, it is divided into ____________.

2. According to the living environment, they are divided into _____________.

3. According to the purpose, it is divided into ______________.

【Cooperation and exchange】

1. Tell what type of organism corn belongs to according to different classification standards.

Tip: According to its morphological and structural characteristics, corn has roots, stems, and leaves, can carry out photosynthesis, and is a plant; according to its living environment, corn lives on land and is a terrestrial organism; according to its use, it is also a crop.

2. A group recorded some organisms during field surveys: corn, locusts, spiders, setaria, mushrooms, and morning glory. Please choose an appropriate classification method to classify these organisms.

Tip: According to the morphological and structural characteristics, corn, foxtail grass, and morning glory belong to plants; locusts and spiders belong to animals; mushrooms belong to other organisms.

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"Investigating Creatures in the Surrounding Environment" Understanding Biology PPT Courseware 7:

"Investigating Creatures in the Surrounding Environment" Understanding Biology PPT Courseware 7 Learning Objectives 1. Understand the types of creatures around you and their living environment, and cultivate the ability to investigate and divide labor. 2. Think independently and work in groups; learn how to investigate and record. 3. Pass...

"Investigating Creatures in the Surrounding Environment" Understanding Biology PPT Courseware 6:

"Investigating Organisms in the Surrounding Environment" Understanding Biology PPT Courseware 6 Review the basic characteristics of organisms: Organisms need nutrients to live. Organisms can breathe. Organisms can excrete waste products produced in the body. Organisms can respond to external stimuli. Organisms can grow and reproduce. .

"Investigating Creatures in the Surrounding Environment" Understanding Biology PPT Courseware 6:

"Investigating Organisms in the Surrounding Environment" Understanding Biology PPT Courseware 6 Review the basic characteristics of organisms: Organisms need nutrients to live. Organisms can breathe. Organisms can excrete waste products produced in the body. Organisms can respond to external stimuli. Organisms can grow and reproduce. .

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Update Time: 2024-06-28

This template belongs to biology courseware People's Education Edition seventh grade biology volume 1 industry PPT template

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