You are watching: Why is an amoeba not an animal?
Protists are additionally classified by how they move, some have actually cilia or flagella, yet the ameba has an unusual way of creeping along by stretching its cytoplasm into fingerlike extensions called pseudopodia. Words "pseudopodia" means "false foot". Top top the colour sheet, over there are number of pseudopodia, usage a yellow highlighter or pencil to highlight each of castle . When looking in ~ ameba under a microscope, one observer will view that no ameba watch the exact same as any other, the cabinet membrane is very flexible and permits for the ameba to readjust shape. Color the cell membrane red . Amebas live in ponds or puddles, and also can also live within people.
Also visible in the ameba is the nucleus, which consists of the ameba"s DNA. Shade the nucleus violet . In order come reproduce the ameba goes v mitosis, where the cell nucleus duplicates its genetic material and the cytoplasm splits into two brand-new daughter cells, each similar to the original parent. This method of reproduction is dubbed binary fission. An additional structure conveniently seen in the ameba is the contractile vacuole, whose project is come pump out excess water so that the ameba does no burst. Shade the contractile vacuole orange.
During unfavorable conditions, the ameba can create a cyst, this hard-walled body can exist because that a long duration of time till conditions end up being favorable again. In ~ this suggest it opens up and also the ameba emerges. Frequently cysts are created during cold or dry periods where the ameba can not endure in its common condition. Color the cyst green.
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Amebas can cause disease. A common an illness caused by the ameba is referred to as Amebic Dysentery. A human being becomes infected by drinking contaminated water. The ameba then upsets the person"s digestive system and causes cramps and also diarrhea. A human is most likely to it is in infected in countries where the water is no filtered or purified.