Difference between simple and complex tissue?

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Science - Complex Permanent Tissues in Plants – Tissues Part 4 – English

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Answer

Simple tissue consists only one type of cell and complex consists more than one type of cell

Answer

Simple tissue is made of single cell and complex tissue is made of 2 or more cell

Answer

Simple Tissue:
Simple tissue is a type of plant tissue that consists of only one type of cell. It is composed of cells that have similar structures and functions. Simple tissues are further classified into three types: parenchyma, collenchyma, and sclerenchyma.

1. Parenchyma:
Parenchyma cells are the most common type of plant cells and are found in various parts of the plant such as leaves, stems, and roots. They have thin cell walls and large intercellular spaces. Parenchyma cells are responsible for various functions such as photosynthesis, storage of nutrients, and gas exchange.

2. Collenchyma:
Collenchyma cells provide mechanical support to the plant. They have thickened cell walls, especially at the corners, and are often found in elongated shapes. Collenchyma cells are commonly found in the stems and petioles of young plants. They provide flexibility and strength to the plant, allowing it to withstand mechanical stress.

3. Sclerenchyma:
Sclerenchyma cells are the strongest and most rigid type of plant cells. They have thick, lignified cell walls and are often dead at maturity. Sclerenchyma cells provide structural support to the plant and are found in regions where strength is required, such as the stems, roots, and seed coats.

Complex Tissue:
Complex tissue is a type of plant tissue that consists of more than one type of cell. It is composed of different types of cells that work together to perform specific functions. Complex tissues are further classified into two types: xylem and phloem.

1. Xylem:
Xylem tissue is responsible for the transport of water and minerals from the roots to the other parts of the plant. It is composed of several types of cells, including vessel elements, tracheids, fibers, and parenchyma cells. Vessel elements and tracheids are elongated cells with lignified walls that form the main conducting channels for water and minerals. Fibers provide mechanical support, while parenchyma cells store nutrients.

2. Phloem:
Phloem tissue is responsible for the transport of organic nutrients, such as sugars, from the leaves to the other parts of the plant. It is composed of sieve tube elements, companion cells, fibers, and parenchyma cells. Sieve tube elements form the main conducting channels for organic nutrients, while companion cells provide metabolic support. Fibers provide mechanical support, and parenchyma cells store nutrients.

Summary:
In summary, simple tissue consists of only one type of cell (parenchyma, collenchyma, or sclerenchyma), while complex tissue consists of multiple types of cells (xylem and phloem). Simple tissue performs various functions such as photosynthesis, storage, and support, while complex tissue is involved in the transport of water, minerals, and organic nutrients. Simple tissue is structurally less specialized compared to complex tissue, which has specialized cells for specific functions.

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