Bio Review
(write down iclicker questions)
4 major themes of bio
- Characteristics of life
- Diversity of organisms
- Scientific Method
- Evolution
Evolution
- Evolution arises as a consequence of:
oGenetic Variation
oInheritance of variation by offspring
oNatural selection
oCHANGE/TIME
Characteristics of living things
- Complex organized structure
- Respond to stimuli
- Homeostasis
- Acquire and use energy
- Growth
- Reproduction
- Capacity to evolve
oAre viruses living things? NO!
Scientific Theory
- General explanation of important phenomena.
- Formed from repeated observations and experiments that support it.
- May be modified if new evidence emerges.
- Cell Theory; Theory of Evolution
oAll cells come pre exisiting cells
Chemical Bonds
- Attractive forces that hold atoms together.
- Sharing, losing, or gaining electrons,
Types
- Ionic
- Non-polar Covalent
