Chapter1 Flashcards
Characteristics of Life
1 cellular organization
2 order complexity
3 stimuli
4 grow, develop, reproduce
5 energy utilization
6 homeostasis
Macromolecule
1 carbohydrates 2 proteins 3 nucleic acid 4 lipids or fats
Regulation, sensitivity, Homeostasis
Control of response
Respond to stimuli
Steady state maintained by regulation and sensitivity
Asexual
Clones
Binary fission
1 cell equals 2 cells
Multiple fission
1 cells equals 2+cells
Sexual reproduction
2 cells equals 1 cell
Growth
Gain more cells
Cells grow larger
Development
Cells change during life cycle
Primary producers
Plants. Convert sun energy to food
Primary consumer
Convert chemical energy from plant molecules into chemical energy in their molecules
Secondary consumer
Convert chemical energy from primary consumer molecules into chemical energy in their molecules
Bacteria
Prokaryote
Single cell
No membrane bound nucleus or membrane bound organelles
Archaea
Prokaryote
Single cell
No membrane bound nucleus or membrane bound organelles
Eukarya
Eukaryote
Single or multi cell
Membrane bound nucleus and organelles