2. NATURE OF LIFE Use this power point to fill in the concept map

3. What is Biology? the study of living things. – BIO-: life – -OLOGY: study of

4. Characteristics of Life How do you know something is living?

6. Which of the following is Living? Spider Web River Rock Rain Onion in the ground Horse Grass in the ground Tree in the ground & Leaves on the tree Cactus in the ground Teddy Bear Bananas on the tree Bicycle Bananas in the grocery store Human baby Hibernating Bear Robot Jellyfish Sun Cloud Chicken egg that you eat from the grocery store Potato in the ground Yogurt with active cultures of bacteria Tornado Fire Seed Mushrooms Frog Icicles Rocking Horse

7. All living things are… Made of cells –Basic unit of life –Unicellular: made up of one cell –Multicellular: made up of many cells

8. All living things… Reproduce - Asexual reproduction: has only 1 parent - Sexual reproduction: needs 2 parents

9. All living things… Grow and Develop – Growth: increase in size or shape – Development: mature over time

10. All living things… Have a genetic code (DNA or RNA) –DNA: deoxyribonucleic acid –RNA: ribonucleic acid

11. All living things… Use and Need Energy –Energy comes from “food” Producers: get their energy from the sun Consumers: get their energy by eating other organisms

12. All living things… Respond to environment –Reacts to stimuli Stimuli: signal to which an organism responds

13. All living things… Maintain homeostasis –Homeostasis: a process in which organisms maintain a stable internal environment –Examples: sweating, shivering, panting

14. All living things… Evolve –Changes over a long period of time involving the entire group