1. What makes something living?
Brainstorm
What makes something living?
HW Due Fri 9/9/11—Choose a scientist or a discovery (that we have not already discussed), and describe how it exemplifies at least one of the tenet of the nature of science. Include source. Source should include author, date, & souce (EX: Jones, A New York Times online)

2. Characteristics of Life
1. Maintain homeostasis
2. Made up of cells
3. Universal genetic code (DNA)
4. Use materials & energy
5. Respond & adapt to their environment
6. Grow & Develop
7. Change over long periods of time (evolve)
8. Reproduction

3. What is a species?

4. What is a species?
Species can interbreed & produce viable (or fertile) offspring

5. Brainstorm
HOW do living things interact?

6. Types of Biotic Interactions
Overview
Predator/Prey relationships
Lion & buffalo
Octopus & hermit crab
Spider catching an insect in its web
Symbiotic Relationships
Gobi & shrimp
Monkies & deer
Sambar deer & the egret
Hermit crab & sea anemone (anemone protects the crab)
Competition
Damsel Fish defending their territory (habitat)

7. Types of Biotic Interactions
Predation—One organism eats another
Symbiosis—A close ecological relationship
Competition—Two organisms compete for resources

8. Describe these Biotic Interactions
lion video
Sambar deer and egrets
Spider
Damsel Fish

9. How Do organisms interact with their environments?

10. How Do organisms interact with their environments?
Nutrient cycles
(How do organisms GET nutrients?)
Water cycle
Decomposition
Habitat Use
Resource Use
(Competition for resources)