Biology

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lab equipment that you have used
- balance
- graduated sylinder
- beaker
metabolism

the chemical reactions in an organism - purpose is to build up or break down materials
homeostasis

stable internal environment - keeps your body within certain limits
cells

the smallest unit in living things
sexual reproduction

produce offspring - 2 parents exchange genes
asexual reproduction
- produce offspring - one parent
- example: budding
growth and development

start as a baby and go through stages to become an adult
energy

metabolism - take in energy - food
response to stimuli

response to looking/touching
evolution

change over time - gradually
observation

beginning - 1st thing that you do
hypothesis

educated guess or possible conclusion to question - must be testable
What are the steps to Set up experiment
- experimental variable
- independent variable
- dependent variable
- control group
- experimental group
experimental variable

factor that being tested
independent variable

same as experimental variable - changed on purpose
dependent variable

factor being measured and observed
control group

does not have the independent variable - stays the same
experimental group

contains the independent variable - has a change
collect data

information gathered from an experiment
quantitative data

collect #s from measuring and observing
qualitative data

descriptions - words
conclusion
- reject hypothesis, then rewrite hypothesis
- support hypothesis, repeat theory - broad range
Base units for: Time

second - stopwatch
Base units for: length

meters - ruler meter stick
Base units for: volume

liter: graduated cylinder/beaker
Base units for: Mass

grams - balance
CODGERR
- Cell
- Organized
- Develop
- Grow
- Energy
- Response
- Reproduce
Tissue

group of cells
organ

group of tissue with a special function

Author

Lee3

168022

Card Set

Biology

Description

characteristics of living things

Updated

8/29/2012, 10:43:57 PM

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