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Science - 7th grade - Lesson 3 (review)
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What is the function of the vacuoles?
It stores water, food or other materials needed by the cell.
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Name the seven levels of classification
From the smallest to the biggest: species, genus, family, order, class, phylum and kingdom.
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Does chloroplast exist in plants cells? Does it exist in animal cells?
It exists only in plants cell.
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What is the function of cell membrane?
It controls which substances pass into an out of the cell.
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True or false: All animal cells have cell wall.
False. Only cells of plants have cell wall.
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True or false: each species receive a three part scientific name.
False. It receives a two-part name.
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Which famous scientist was reponsible for creating the system called binomial nomenclature.
Carolus Linnaeus
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What is the function of the nucleus?
It acts directing all of the cell's activities.
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True or false: All cells have cell membrane.
True :)
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What is the scientific name of polar bear?
Ursus maritimus.
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What does classification mean?
It means grouping things based on their similarities.
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Which cell structure can be compared to a gel?
Cytoplasm!
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What is the scientific name of brown bear?
Ursus arctos.
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Which cell structure can be compared with the brain?
The nucleus.
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What is a cell?
the smallest structural and functional unit of an organism.
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