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30 Cards in this Set
- Front
- Back
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food getting
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procurement of food through eating, absorption, or photosynthesis.
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respiration
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exchange of gases
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excretion
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elimination of wastes
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growth and repair
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increase in size over part or all of a life span, repair of damaged tissue.
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movement
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willful movement of a portion of a living thing's body, or direction of growth in a particular direction.
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response
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reaction to events or things in the environment.
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secretion
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production and distribution of chemicals that aid digestion, growth, metabolism, etc.
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reproduction
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the making of new living thins similar to the parent organism(s).
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cell membrane
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function: controls movement of materials into and out of cells
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cell wall
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function: gives rigid structure to plant cells
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chloroplast
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function: contains chlorophyll, which enabels green plants to make their own food
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cytoplasm
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jellylike substance inside of a cell
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mitochondria
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liberate energy from glucose in cells for use in cellular activities
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nucleus
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directs cell activities, holds DNA (genetic material)
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ribosome
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makes proteins from amino acids
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vacuole
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stores materials in a cell
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diffusion
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organelle: cell membrane
life activity: food getting, respiration, exretion |
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osmosis
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organelle: cell membrane
life activity: food getting, excretion |
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phagocytosis
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organelle: cell membrane
life activity: food getting |
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photosynthesis
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organelle: chloroplasts
life activity: food getting |
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respiration (aerobic)
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organelle: mitochondria
life activity: provides energy |
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fermentation
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organelle: provides energy
life activity: provides energy |
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what are cells made up of?
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organelles
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what are organelles surrounded by?
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cell, fluid, or cytoplasm
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what is metabolism?
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the sum of chemical processes in living things
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how many cells is made up of in the human body?
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100 trillion cells
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what allows certain small molecules to flow freely across is?
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cell membrane
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what is diffusiion?
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the flow of chemicals from areas of high concentration to low concentration
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particles too large to be passed through the cell membrane...?
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may be engulfed by the cell membrane and stored in vaccuoles until they be digested.
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what do cells need to survive?
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energy
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