Science CH1
Terms
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- ecosystem
- all the living organisms that live in an area and the nonliving features of their environment
- community
- group living in an area
- observable
- capable of being recorded
- organism
- any living thing; uses energy, is made of cells, reproduces, responds, grows, and develops
- physics
- the science of motion
- biome
- large geographic areas with similar climates and ecosystems; includes tundra, taiga, desert, temperate deciduous forest, temperate rain forest, trpoical rain forest, and grassland
- SI units
- an international measuring system based around the convenience of the number ten
- pure science
- the science that deals with discovery for the pure sake of learning
- variable
- in an experiment, the one thing that can change
- scientific method
- 5 step technique used to solve problems and answer questions
- cell
- smallest unit of a living thing that can perform the functions of life; has an orderly structure and contains hereditary material
- hypothesis
- a prediction that can be tested
- limiting factors
- anything that can resist the size of a population, including living and nonliving features of an ecosystem, such as predators or drought
- food chains
- the paths by which energy is transferred from one organism to another
- biosphere
- part of Earth that supports life, including the top portion of Earth's crust, the atmosphere, and all the water on Earth's surface
- adaptation
- any variation that makes an organism better suited to its environment
- biodiversity
- the number and variety of organisms found in a region
- development
- the act of improving or refining
- stimulus
- something that causes an action
- applied science
- the science in which knowledge is used for practical applications
- predators
- animals that hunt other animals
- niche
- role in life
- biotic factors
- living things
- theory
- an explanation of events or things based on scientific knowledge resulting from repeated observations and tests
- diversity
- variety
- habitat
- place where an organism lives
- abiotic factors
- nonliving things
- life span
- the median length of time that an organism lives
- prey
- animal hunted by other animals
- law
- a scientific statement about how things happen in nature and that seems to be true at all times
- population
- all the organisms that belong to the same species living in a community
- control
- in an experiment, the standard to which the outcome of the test will be compared
- response
- a reaction to a stimulus
- metabalism
- the total of all chemical reactions in an organism
- photosynthesis
- food-making process by which plants and many other producers use light energy to produce glucose and oxygen from carbon dioxide and water
- chemistry
- the study of interactions in matter
- consumers
- organism that cannot create energy-rich molecules but obtains its food by eating other organisms
- earth science
- the science associated with the study of the earth
- producers
- organism, such as a green plant or alga, that sues an outside source of energy like the Sun to create energy-rich food molecules