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Answer:
1) a tissue is a group of similar cells performing a specific function.
2)
1)Tissue is a group of cells that have similar structure and that function together as a unit
2)PLANT TISSUE AND ANIMAL TISSUE - DEFINITION
Plant tissue Animal tissue
Cells of plant tissue have cell wall. Cells of animal tissue do not have cell wall.
Some tissues are living and some are dead. All tissues are living.
Growth is restricted to the tips of stem and roots. Growth is uniform all over the body.
They are mainly of two types permanent tissue and meristematic tissue. They are of four types muscle tissue, epithelial tissue, nervous tissue and connective tissue.
These tissues require less energy and maintenance as plants do not require movement. Due to entensive body mobility these tissues require more energy and maintenance.
They provide strength and support to the plant. They control all functions.
3)The tissue level of organization consists of a group of cells that work together to accomplish one or more specific functions. The organ level of organization is when two or more tissues work together for a specific function. ... The organism level is the highest level of organization
4)an organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function. Your heart, kidneys, and lungs are examples of organs
5)Also known as the oral cavity, the mouth is the hollow cavity that allows food and air to enter the body. The mouth contains many other organs - such as the teeth, tongue, and the ducts of the salivary glands - that work together to aid in the ingestion and digestion of food.
6)Multicellular organisms are organisms that consist of more than one cell, in contrast to unicellular organisms
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