"Common Animals" PPT courseware

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"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' classification methods and principles played a major 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 is 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 included and the more _____ common characteristics. 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:

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"Common Animals" PPT:

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Update Time: 2024-11-18

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