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When designing an experiment, scientists will test a relationship between a “cause” and an “effect.” The “effect,” also represented by what the scientist measures and records, is known as the
Dependent Variable
"If a player practices longer, then he will score more points in the game." What is the dependent variable?
Points scored
Description of something you can see, smell, touch, taste, hear
Observation
uses numbers to measure something
Quantitative data
List the 8 characteristics of Living Things
Response to Stimuli, Made of Cells, Genetic Material, Use and Obtain Energy, Maintain Homeostasis, Grow and Develop, Evolve, Reproduce
Name the levels of organization starting from a cell
cell, tissue, organ, organ system, organism, population, community, ecosystem, biome, biosphere
All the chemical processes used to build up and breakdown material for energy
Metabolism
Why is the metric system easier to use and convert
power of 10
What is a hypothesis
testable explanation based on observation
Regulating O2 and CO2 amounts in the bloodstream is an example of
maintaining homeostasis
What is a negative feedback loop
a response to change to bring the system back to a neutral state
Examples of abiotic components in an ecosystem
sun, water, soil
What is the relationship between cells and organisms?
organisms are made of cells
Why do cells have certain shapes?
Their shape is related to their function
Give an example of evolution
finch beaks, loss of need for appendix, less body hair
What is a theory?
Proposed explanation based on observations, a widely accepted explanation of something in nature
