Review of Specific Topics / Practice Questions

4) What is a major cause of variation within a species? I. sexual reproduction 2. asexual reproduction 3. extinction 4. Photosynthesis

7.

10.

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13. Warm air cools and changes from gas to liquid

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17. 20 N 20 N

25. T T Tt Tt t Tt Tt % of tall plants = 100% because the dominant (T) will always overpower the Recessive ( t)

26. Results of crossing the offspring T t T t TT Tt Tt tt

33 & 34 . 33. Mitosis or asexual reproduction 34.Results in identical genetic material as original cell

34.

35 & 36. 35. You can use a magnet to separate because in a mixture you can separate by physical properties 36. The evidence of a chemical change is that there are new properties since it is an entirely new substance

37. Potential chemical to kinetic light (radiant) and heat

38. Mechanical energy to sound energy

39. Hypothesis : If, then, because… Factor to be varied (independent variable): surface type Two factors to hold constant: Ball type Person testing Drop height Racket