Download Unity of Life

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 • Developmentnumber of cells
change in a single
which leads to
individual during
increase in size.
life cycle.
Cells- Similar but Different
Diversity
•Life is arranged into 3
Domains
Evolution
•Explains the Unity &
Diversity of Life
Charles Darwin
• Descent with Modifications
• Natural Selection
2 Observable Features
• Individual Variation
• Unequal Reproductive
Success