"Common Animals" Animals and Plants Around You PPT Courseware 2

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"Common Animals" Animals and Plants Around You PPT Courseware 2

Can you carry out metabolism, growth, reproduction, need nutrition, respiration, excretion, respond to stimuli, etc.

Can you make your own nutrients through photosynthesis?

Classification: It is a scientific method of grouping things with similar characteristics together.

The purpose of classification: to better study and identify various objects.

Criteria for classification: Classify organisms according to their different characteristics, such as their morphological structures, biological habits, and kinship relationships between organisms.

Linnaeus classification

Scientific classification method: that is, classification based on the morphological structure, living habits, and kinship relationships between organisms. And according to the difference between them, they are divided into seven levels from large to small: "kingdom, phylum, class, order, family, genus and species".

The largest unit is "kingdom", and the smallest unit is "species".

Species are the most basic unit

(1) The classification levels from high to low are: ______

(2) ______ is the basic unit of classification and the smallest unit, and ______ is the highest level of classification.

(3) The higher the level, the more ______ the number of individuals included and the more ______ the common characteristics. The lower the level, the more ______ the number of individuals it contains and the more ______ the common characteristics.

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"Common Animals" PPT download:

"Common Animals" PPT Download Part One: Classroom Exploration Exploration 1: Explore the structure of fruits. Fruits are generally composed of peel and seeds. How to distinguish: whether it can bloom. Female iron tree blooms. Q&A: The flowers bloomed by iron tree are not real flowers. Gymnosperms have no real flowers..

"Common Animals" PPT courseware:

Contents of the first part of the "Common Animals" PPT courseware: Classification criteria: Whether they can metabolize, grow, reproduce, require nutrition, respiration, excretion, respond to stimuli, etc. Whether they can produce their own nutrients through photosynthesis Classification: It is a certain kind of Similar characteristics...

"Common Animals" PPT:

"Common Animals" PPT Part One Content: 1. Animal Classification We know that people can be divided into males and females according to their gender. So can you classify these animals based on their different characteristics? 1. According to whether they are aquatic or terrestrial, they are divided into...

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Update Time: 2024-09-18

This template belongs to science courseware Hunan Education Edition Third Grade Science Volume 1 industry PPT template

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