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Chapter 29, 30
Revise Living things, Cells and the Microscope
| Question | Answer |
|---|---|
| List the seven characteristics of Living things. | excretion, nutrition, respiration, growth, reproduction, movement and response |
| What is a vertebrate? | An animal with a backbone. |
| What is the difference between a vertebrate and invertebrate? | A vertebrate has a backbone and an invertebrate does not have a backbone. |
| What is a key? | A key is used to tell specific plants and animals apart. |
| Name the parts of a plant call. | Cell membrane, Cytoplasm, Nucleus, Vacuole, Chloroplasts, Cell wall. |
| Name the parts of an animal cell. | Cell membrane, Cytoplasm, Nucleus, Vacuole, Rhybosome, |
| What is the formula for magnification? | Eyepiece lens magnification multiplied by objective lens magnification. |
| Calculate the magnification of the microscope if the objective lens is 4X and the eyepiece lens is 10X. | 40X |
| What stain do you use to stain an animal cell? | Gram stain. |
| What stain do you use to stain a plant cell? | Iodine stain. |
| Why do you use a cover slip? | To stop the lens getting damaged. |
| Define a tissue. | A tissue is a group of similar cells that have a shared function. |
| Define an organ. | An organ is a group of organised tissues |
| Define an organ system. | An organ system is a group of organs working together. |