Charles Darwins observations to develop scientific theory. Science help!?

Question

I've looked everywhere and cannot find these answers.

1. List the 3 observations that Charles Darwin used to develop the scienctific threory.

2.Explain how photosynthesis changed the coarse of evolution.

3.Electrons are distributed in orbitals that contain a maximum of ___________

The orbitals comprise shells within atoms with the following maximum electrons shell :

first shell can hold _______

second shell can hold _______

third shell can hold ________

4. Van der Waals forces are _________

5.Energy is either _________ or ________

6. Fuel is converted to carbon dioxide and water, while energy is released as heat and light.

In living cells exothermic reactions occur in multipl steps. Give 2 examples of multiple biochemical pathways.

7.

complete the chart.

Complex Polymer | Simple polymer | monomer

1. Polysaccharide |

(carbohydrate) |

2. Polypeptide |

(protein) |

3. Nucleic acid |

(DNA RNA) |

4. Lipid

Answer 1

1  descent with modification. natural selection. pangenesis.  2 autotrophs evolved.  3 max=32. 1st=2. 2nd=8. 3rd=18.  4http://en.wikipedia.org/wiki/Van_der_Waa...  5 potential or kinetic.  6 http://rds.yahoo.com/_ylt=A0geu.1o04ZI8u...  7 a=polymer  b=monomer c=polymer. d=polymer