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Specialized cells are the cells though they are similar, but cells differ in size, shape and depending upon their function in body.
Example of specialized cells are: Blood cells, Nerve cells, Reproductive cells.
Tissues are made up of specialized cells, those tissues make up organs, organs make up system and systems make up bodies.
Peroxisomes are a small organelle that is present in the cytoplasm of many cells and<span> that contains the reducing enzyme catalase and usually some oxidases.
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The external skeleton of arthropods is a highly efficient system for small animals. The exoskeleton provides a large surface area for the attachment of muscles and, in addition to functioning in support and movement, also provides protection from the external environment.
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Answer:
Protists are a diverse collection of organisms. While exceptions exist, they are primarily microscopic and unicellular, or made up of a single cell. The cells of protists are highly organized with a nucleus and specialized cellular machinery called organelles.
Kingdom Protista is said to be the most diverse kingdom, because each of its members are so individual from each other. If an organism does not belong any particular kingdom, it goes into kingdom Protista. ... This miscellanous grouping causes the organisms in the kingdom to be very different from each other.
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