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Answer:
A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Most cells have one or more nuclei and other organelles that carry out a variety of tasks.
Explanation:
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Answer:
1.a.cells are the basic building blocks of all living things. The human body is composed of trillions of cells. ... Cells have many parts, each with a different function.
b.those organism who have only one cell they are called unicellular organism
c.those organism who have many cells they are calles multicellular organism
2. living beings can move but non living beings cannot move ..living beings can breathe but non living beings cannot breadth ..living beings can play and do everything but non living cant do all these things..
3.a.reproduction : Reproduction is the biological process by which new individual organisms – "offspring" – are produced from their "parents". Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction. There are two forms of reproduction: asexual and sexual
b.Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life
4.two examples are : cow and fish