| Category | Format | Size |
|---|---|---|
| Zhejiang Education Edition Seventh Grade Science Volume 1 | pptx | 6 MB |
"Common Animals" PPT courseware
Description
"Common Animals" PPT courseware
Part One: Classification Criteria
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.
Classification standards: Classify organisms according to their different characteristics, such as the morphological structure of organisms, biological habits, and the relationship between organisms, etc.
Common animal PPT, part 2 content: Linnaeus and classification method
Carl von Linne (1707-1778), Swedish taxonomist and naturalist.
Linnaeus's classification methods and principles played a significant role in the development of biology and laid the foundation for scientific biology. Now there are unified regulations on biological classification: seven levels are used to classify organisms step by step, namely "kingdom, phylum, class, order, family, genus and species".
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
Common Animal PPT, Part 3: Classroom Exercises
(1) The classification levels from high to low are: kingdom, phylum, class, order, family, genus, species
(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 it contains and the more _____ the common characteristics are. The lower the level, the more _____ the number of individuals it contains and the more _____ the common characteristics are.
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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:
"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...
"Common Animals" Animals and Plants Around You PPT Courseware 2:
"Common Animals" Animals and Plants Around You PPT Courseware 2 Whether they can metabolize, grow, reproduce, require nutrients, breathe, excrete, respond to stimuli, etc. Whether they can produce their own nutrients through photosynthesis Classification: It is the characteristic of certain species Similar things are grouped into...
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Update Time: 2024-07-02
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