Life Processes Vocabulary
The process by which organisms become bigger and stronger is growth.

Life Processes Vocabulary

In this, the second of two KS2 Science quizzes on the seven life processes (movement, reproduction, sensitivity, nutrition, excretion, respiration and growth), we look at the meaning of each process, or the life processes vocabulary.

The life processes vocabulary is the words used to describe the processes shared by all living organisms. You have most likely been introduced to MRS. NERG. But can you remember what the initials stand for? Let me tell you: Movement, Reproduction, Sensitivity, Nutrition, Excretion, Respiration and Growth. But what do they all mean? Some are obvious, like growth (getting bigger) or nutrition (eating), but what about excretion or respiration?

Do you know the meanings of all seven life processes? See how much you know about the life processes necessary to all living organisms by trying this science vocabulary quiz.

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  1. What is the process by which organisms become bigger and stronger?
    All living organisms grow
  2. What is the life process by which living organisms obtain food?
    Plants create their own food from the Sun's energy in a process called photosynthesis. Animal nutrition includes feeding and digestion
  3. Which life process is the ability to respond to a stimulus?
    Stimuli (plural of stimulus) include light, heat, sound, touch, taste and smell - all living organisms are sensitive or responsive to stimuli
  4. Which life process uses other sources to replace the energy needed to maintain life?
    This is another way of saying that living organisms require food, which can only be found from outside themselves (even in the case of plants, which need the Sun in order to make food)
  5. What is the life process by which an organism rids itself of waste products?
    All living things must get rid of the useless or toxic byproducts of chemical processes - this is called excretion
  6. Which life process is the ability to change place or position?
    Animals use their bodies to move, while plants move by growing or turning towards the Sun
  7. What is the process of cell division (fission) or cloning to create new individuals in a species?
    This definition refers specifically to the method of reproduction seen in some plants and single-cell organisms
  8. Which life process stops at death?
    Death is when all life processes stop - all living organisms die eventually
  9. Which life process is the ability of living organisms to produce more of the same species?
    Organisms produce offspring to keep the species going after their death
  10. What is the life process by which food is transformed into the energy living things need?
    Food molecules are broken down to release energy in a process called respiration. Because our bodies require oxygen for this process, human respiration also includes breathing oxygen in and carbon dioxide out

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