CH 1 ORGANISATION IN LIVING THINGS ICSE BOARD BIOLOGY CLASS 7
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Living things are defined as entities that can breathe, move, and live life, categorized into plant and animal tissues such as meristematic, simple permanent, complex permanent, epithelial, connective, muscular, and nerve tissues. Tissues are groups of cells performing the same function, forming organs, which then create systems and organisms, showcasing the levels of organization in living entities.
Insights
- Living things are categorized into plant and animal tissues based on their ability to breathe, move, and sustain life. Plants have meristematic and permanent tissues, while animals possess epithelial, connective, muscular, and nerve tissues, showcasing distinct characteristics and functions.
- Tissues in living organisms are crucial for organization, forming organs that create systems and complete organisms. Meristematic tissues in plants, such as apical and lateral meristems, play a vital role in growth and healing by continuously dividing to produce new cells and support the development of leaves, roots, and flowers.
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Recent questions
What are the two main types of tissues in plants?
Meristematic and permanent tissues.
How are living things categorized in biology?
Into plant and animal tissues.
What is the role of meristematic tissues in plant growth?
Continuous division for new cell formation.
What are the levels of organization in living entities?
Cells, tissues, organs, systems, organisms.
How do plant and animal tissues differ in composition?
Plant tissues include dead cells like sclerenchyma.
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