| A | B |
|---|
| cells | all living things are made of these-- can be unicellular (one cell) or multicellular (many cells) |
| stimuli | change in the environment an organism can detect |
| Reproduction | Increase in numbers of living things--can be sexual or asexual |
| energy | obtained when food is broken down through chemical reactions called "metabolism". |
| autotrophs | Organisms that can make their own food to get energy |
| heterotrophs | organisms that must eat other organisms to get energy |
| growth and development | increase in size as an organism changes throughout its lifetime |
| DNA | universal genetic code that determines hereditary information |
| evolve | a change to a species overtime due to the result of the changes to DNA in a population |
| Homeostasis | Maintaining constant/stable internal conditions |
