science Flashcards
Features of life
All living things have all of the following features:
Use Energy
Respond to Stimuli
One or more cells
Life Span
Locomotion (moves)
Maintain Homeostasis (good health)
Adapt - organisms change over time to survive their environment
Reproduce - continuation of the species by making offspring
Grow and Develop
3 Things organisms need to live
Air, water, energy
biotic
living
Abiotic
Nonliving, was never alive
dead
once was living, but not anymore
Organism
A living thing, has all the characteristics of life
Cell
The smallest unit of life
Unicellular
Describes a living thing that is made of only one cell
growth
Increase in an organism’s size
Development
When an organism become more complex
Spontaneous Generation
The idea that living things come from nonliving things *Disproven
Stimulus
Anything that makes you react
Response
Your reaction to a stimulus
Homeostasis
An organism’s ability to maintain steady internal conditions when outside conditions change.
Adapt
Change over time to become better fitted to the environment and to survive