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Living Organisms

QuestionAnswer
What are the characteristics of living things? Made of cells Contain similar chemicals & use energy Respond to stimuli/surroundings Grow, develop & reproduce
What are cells? Cells are a basic unit of structure and function in living things
What is unicellular? single celled organism one cell carries out the function necessary to stay alive
What is multicellular? Organisms consisting of many cells
They Obtain and Use Resources For Energy All organisms need food, oxygen, and water. Provides required energy to perform basic life functions (growing / developing / repairing, etc.)
Autotroph/Producers Make their own food through photosynthesis
Heterotroph/Consumers- Find their food (eat)
Stimulus a change in an organism’s surroundings that will cause the organism to react
Examples of stimulus Temperature Light Sound Water Space Food
Response the reaction to the stimulus; it can be an action or a behavior performed by the organism
Growth is the process whereby the organism becomes larger (height/ mass/ overall size).
Development results in the organism becoming more complex structurally.
Organisms require energy to grow and develop.
Reproduction: Organisms have the ability to reproduce, or produce offspring that have similar characteristics as the parent.
Types of reproduction: Asexual and Sexual
Asexual one parent that produces offspring identical to the parent
Sexual process involving two parents. The egg (female reproductive cell) and sperm (male reproductive cell) from these two parents combine to make an offspring that has characteristics of both parents.
Created by: StudentScholar
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