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JHC 4th Life Science
JHC 4th.Grade - Cells / Vertebrate/Invertebrate
Question | Answer |
---|---|
Microorganism | Living things to small to see without a microscope |
Cell | The basic unit of structure and function in living things (Building Blocks of Life) |
Nucleus | controls all cell activity (Brain of the cell) |
Cell Membrane | surrounds the cell and controls what enters and leaves (Gatekeeper) |
Cytoplasm | jelly-like substance that fills cell where organelles, other parts, float within |
Cell Wall | The stiff structure surrounding the cell membrane in plants which gives the cell shape and support for the plant |
Chloroplast | Found in plant cells, contains the green substance chlorophyll for making food |
Mitochondria | Breaks down materials to make energy for the cell |
Vacuole | Storage spaces within the cytoplasm for needed materials or waste |
Simple Animal | Many cells but few body parts |
Complex Animal | Many cells and many body parts |
Vertebrate | Animals with a backbone (3% of all animals) |
Invertebrate | Animals without a backbone (97% of all animals) |
Arthropod | Largest group of invertebrates who have jointed legs and an external skeleton |