Biology Exam 1

Annotations:

• Tentative answer to well-framed question Testing: OHEC O- OBSERVATION  Q- QUESTION H- HYPOTHESIS E- Experiment C- COLLECT DATA, CONCLUSION Can't infer causation from correlation

Annotations:

• Independent variable- Manipulate, experimental, cause (temp) Dependent- Measure, outcome, measure/effect (GROWTH) Use control groups to cancel undesired variable  CONFOUNDS- Pop up in experiment unexpected, should have been controlled and weren't 

Annotations:

• 3 Main:   Structure (Cell Organization) Function: Metabolism assimilating energy to perform work "thermo regulation"   -Maintain stable internal environment when external environment different Reproduction ALSO COMPLEX

1. Laws of Thermodynamics
   1. Law 1

      Annotations:

      • Energy constant, can't be created or destroyed ONLY TRANSFERRED OR TRANSFORMED
      1. Energy
         1. Potential

            Annotations:

            • Capacity to work, but isn't (Stored energy, energy of position) EX: Bending ruler, state of HIGH potential energy, can be TRANSFORMED INTO KINETIC
            1. Kinetic

               Annotations:

               • Actively doing work.  Ex Energy gone after ruler is snapped
   2. Law 2

      Annotations:

      • IMAGINE CHEETAH RUNNING AFTER EATING NO FREE LUNCH During transfer or transform, energy unusable lost to heat
      1. Entropy

         Annotations:

         • Increase (chaos) state of chaos, can't be used for anything Level of complex of organism can develop & maintain depends on amount of available energy can come from degradation of complexity elsewhere