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The section discusses how both plants and animals are made up of tissues, but the types of tissues and their functions differ significantly. Animals have living tissues that support movement and locomotion, while plants have supportive tissues that enable them to remain stationary.
In this section, we explore the fundamental similarities and differences in the tissue structures of plants and animals. Both are composed of specialized cells that group together to form tissues. However, plant tissues are categorized primarily into meristematic and permanent tissues, while animal tissues are classified as epithelial, connective, muscular, and nervous tissues. Plants possess tissues that support their stationary lifestyle and growth at specific regions, often leading to a high quantity of supportive tissue with dead cells. In contrast, animals are constituted mostly of living cells, supporting their ability to move and consume energy. This differentiation reflects the distinct lifestyles of these organisms, including their modes of growth and cellular organization.
Meristematic Tissue: Plant tissue that is actively dividing and located at growing points.
Permanent Tissue: Tissue formed from meristematic tissue that has lost the ability to divide and has specialized functions.
Epithelial Tissue: Protects body surfaces and regulates exchange of materials.
Connective Tissue: Supports and binds other tissues, with various types adapted to different functions.
Muscular Tissue: Enables movement through contraction and relaxation.
Nervous Tissue: Specialized for rapid transmission of signals for coordination and response.
Tissues in plants do grow, with meristematic flow.
Imagine plants receiving magical growth power at their roots while animals scurry around with flexible movements provided by living tissues.
Use 'PLANTS' to recall plant tissue types: Permanent, Living cells, Adaptation, No movement, Types of supportive tissues, Specialized functions.
Roots contain meristematic tissue at tips for continuous growth.
Epithelial tissue forms the lining of the lungs, enabling gas exchange.
Term: Tissue
Definition: A group of cells that are similar in structure and function.
A group of cells that are similar in structure and function.
Term: Meristematic Tissue
Definition: A type of plant tissue that is responsible for growth, consisting of actively dividing cells.
A type of plant tissue that is responsible for growth, consisting of actively dividing cells.
Term: Permanent Tissue
Definition: Plant tissues that are formed from meristematic tissues when cells lose the ability to divide and undergo differentiation.
Plant tissues that are formed from meristematic tissues when cells lose the ability to divide and undergo differentiation.
Term: Epithelial Tissue
Definition: The tissue that covers and protects various surfaces and cavities in the body.
The tissue that covers and protects various surfaces and cavities in the body.
Term: Connective Tissue
Definition: A type of tissue that supports, binds, and protects other tissues and organs.
A type of tissue that supports, binds, and protects other tissues and organs.
Term: Muscular Tissue
Definition: Tissue composed of cells that shorten to produce movement.
Tissue composed of cells that shorten to produce movement.
Term: Nervous Tissue
Definition: Tissue made of neurons that transmit nerve impulses throughout the body.
Tissue made of neurons that transmit nerve impulses throughout the body.