____ 2. Anton van Leeuwenhoek invented 1st compound microscope.
____ 3. Resolution is a microscope’s way of enhancing the object.
____ 4. Magnification and resolution.
____ 5. Using a 10 ocular lens with a 10 objective lens (you should be able to do this)
____ 6. A scientist who performs an experiment has a good idea what the outcome of the experiment is going to be.
____ 7. A series of flexible steps.
____ 8. The control (not changed) and experimental groups (changed with a variable) are designed to be different.
____ 9. Variable that is changed in an experiment.
____ 10. A theory is a hypothesis that has been proven true.
____ 11. A theory is a probable answer to a question made by scientists.
____ 12. Characteristics in common.
____ 13. Occurred, natural selection
____ 14. Change over time.
____ 15. More complex over time.
____ 16. Fossils, DNA.
____ 17. Forelimbs in bats, birds and humans
____ 18. When food is scarce, the number of different beak shapes of finches increases.
____ 19. A microscope with a 4 objective lens and a 10 ocular lens produces a total magnification of
____ 20. Cells
____ 21. Biology is the study of
____ 22. Testable possible explanation of an observation.
____ 23. Is rejected.
____ 24. Experimenting
____ 25. Experiment
____ 26. Dependent.
____ 27. Their ancestors had migrated from South America to the Galápagos Islands
____ 28. The Galápagos Islands.
____ 29. Genetic variation in species
____ 30. Adaptation.
____ 31. Because of natural selection
____ 32. species changed over time by natural selection
____ 33. Gradually.
____ 34. Shells or old bones any traces of dead organisms footprints of human ancestors, insects trapped in tree sap, and