Unity, Diversity, & Evolution. Unity All Life Forms Have Common Features.
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Transcript of Unity, Diversity, & Evolution. Unity All Life Forms Have Common Features.
Unity, Diversity, &
Evolution
Unity•All Life Forms Have
Common Features
Common Properties of Life
Made of Cells
Basic unit of structure & function
Maintain a constant internal environment (homeostasis)
Examples: temperature, sugar level, salt level, hydration, etc.
Metabolism
Total of all chemical reactions.Examples:
Respond to Stimuli
Examples:
Reproduce
Essential to survival of species.
Heredity & Evolution
Heredity: Traits passed to offspring.Info found in DNA.
Evolve
Evolution: Change in species over generations.
Grow and Develop
• Growth- change in number of cells which leads to increase in size.
• Development- change in a single individual during life cycle.
Cells- Similar but Different
Review Game:
What characteristic…
Your reaction to something in your environment
RESPONSE TO A STIMULUS
The ability to maintain a constant internal environment
Homeostasis
All the building up and breaking down processes in your body
Metabolism
The ability of a species to change over time
Evolution
This molecule is found in all living things and gives us our traits
DNA
All living things are made of…
Cells
Viruses?
