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JHC 4th.Grade - Cells / Vertebrate/Invertebrate

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Microorganism   Living things to small to see without a microscope  
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Cell   The basic unit of structure and function in living things (Building Blocks of Life)  
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Nucleus   controls all cell activity (Brain of the cell)  
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Cell Membrane   surrounds the cell and controls what enters and leaves (Gatekeeper)  
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Cytoplasm   jelly-like substance that fills cell where organelles, other parts, float within  
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Cell Wall   The stiff structure surrounding the cell membrane in plants which gives the cell shape and support for the plant  
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Chloroplast   Found in plant cells, contains the green substance chlorophyll for making food  
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Mitochondria   Breaks down materials to make energy for the cell  
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Vacuole   Storage spaces within the cytoplasm for needed materials or waste  
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Simple Animal   Many cells but few body parts  
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Complex Animal   Many cells and many body parts  
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Vertebrate   Animals with a backbone (3% of all animals)  
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Invertebrate   Animals without a backbone (97% of all animals)  
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Arthropod   Largest group of invertebrates who have jointed legs and an external skeleton  
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