MICK-Living Things and The Necessities of Life
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a cell? | the smallest unit that can perform all life processes; cells are covered by a membrane and have DNA and cytoplasm.
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| What is a stimulus? | anything that causes a reaction or change in an organism or any part of an organism.
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| What is homeostasis? | the maintenance of a constant internal state in a changing environment.
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| What is sexual reproduction? | reproduction in which the sex cells from two parents unite, producing offspring that share traits from both parents.
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| What is asexual reproduction? | reproduction that does not involve the union of sex cells and in which one parent produces offspring identical to itself .
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| What is heredity? | the passing of genetic traits from parent to offspring.
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| What is metabolism? | the sum of all chemical processes that occur in an organism.
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| What is a producer? | an organism that can make its own food by using energy from its surroundings.
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| What is a consumer? | an organism that eats other organisms or organic matter.
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| What is a decomposer? | an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients.
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| What is a protein? | a molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body.
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| What is a carbohydrate? | a class of energy-giving nutrients that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen.
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| What is a lipid? | a type of biochemical that does not dissolve in water and that stores energy; some even form the membranes of cells.1
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| What is a phospholipid? | a lipid that contains phosphorus and that is a structural component in cell membranes.
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| What is adenosine triphosphate(ATP)? | a molecule that acts as the main evergy source for cell processes; it is the major energy-carrying molecule in the cell.
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| What is a nucleic acid? | a molecule made up of subunits called nucleotides
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| What is the smallest unit of life? | a cell
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| What percentage of your body is water? | 70%
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| Most chemical reactions involved in metabolism require__________. | water
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| What is a chemical process in which most living things use oxygen/ | releasing energy from food
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| What are two things food gives organisms? | energy and raw materials needed to carry on life processes
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| Nutrients are made up of_____, a substance created when two or more atoms combine. | molecules
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| Molecules made of different kinds of atoms are called____. | compounds
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| Name the five building blocks of cells. | proteins, carbohydrates, lipids, ATP, and nucleic acids
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| What are some examples of stimuli? | chemicals, gravity, light, sounds, and hunger
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| How do some animals control their body temperatures? | they control their temperatures by moving from one environment to another
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| What does DNA do? | it controls the structure and function of cells
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| What do organisms pass on to their offspring? | copies of their DNA
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| What are some examples of activities of life carried out by all organisms? | breaking down food, building cells, and making food
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| How does a single-celled organism grow? | the cell gets larger and divides, making other organisms.
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