what is amoeba and its function.what is stomata and its function
Answers
Answer:
Like many other protists, the structure of Amoeba proteus is relatively simple. It is a single celled organism that appears transparent and gelatin like – with an arguably “forever” changing shape, with a nucleus and membrane bound organelles (such as food vacuoles, contractile vacuoles, golgi apparatus, mitochondria etc.). As mentionned above, Amoeba proteus does not have a fixed shape – it constantly changes due to it extending its pseudopodia for motility and engulfing its prey. The average size of A. proteus is 500-1000 µm – visible to the naked eye! Despite its small size in comparison to humans, A. proteus is considered a very large single celled organism – in fact, they are very closely realted to the “giant amoebae” – which typically range from 1000-3000 µm in size. Many other protists and single celled eukaryotes are microscopic and pale in comparison size-wise to the “mighty” A. proteus.
Explanation:
The amoeba cell is any of the several tiny, one-celled protozoa. An amoeba lives in fresh-water, salt water and moist body parts of animals. They are made of cytoplasm. They may have one or more nuclei, but it depends on the species of the Amoeba.
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The two main functions of stomata are to allow for the uptake of carbon dioxide and to limit the loss of water due to evaporation. In many plants, stomata remain open during the day and closed at night. Stomata are open during the day because this is when photosynthesis typically occurs.