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Unit Three: Diversity and Adaptation in Living Organisms

Living organisms classification plans:

Due to the enormous diversity of living organisms, it became compulsory to classify them into groups to ease their studying. Here are some classifying plans based on scientific bases and principles:

First: Classifying plants according to the Shape: Activity

2

Examine the plant samples in the pictures below, then share your classmates to classify these plants depending on the shape:

Red algae

Brown algae

Wheat

Corn

• Record your observations: ................................................................................. • Conclusion: plants differ according to the external appearance: A. Some plants can’t be distinguished into roots, stems and leaves such as the green, Red and brown algae. B. Most plants can be distinguished into roots, stems and leaves such as corn, wheat, palms and camphor plants.

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Science - Explore & Learn

First Grade Preparatory

Science book prep 1 first term  

science

Science book prep 1 first term  

science

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