Biology I - Chapter 1 Study Guide

1. Define Biology-

2. What is the difference between autotophs and heterotrophs?

3. Describe natural selection and give an example.

4. What is the difference between unicellular and multicellular organisms? Give an example of each.

5. Define DNA -

What does the abbreviation DNA stand for?

6. What do you use the following 10 parts of the microscope for. Where are the located?

Base-

Fine Focus-

Arm-

Eyepiece-

Objective Lenses-

Stage-

Slide Clip-

Diaphragm-

Light-

Coarse Focus-

7. Find the total magnification of each of the following:

4X objective

10X objective

8. What are the 2 different types of Light Microscopes? How are they different?

9. Explain why a specimen to be viewed under a compound microscope must be thin?

10. What happened visually to the letter "e" when you looked through the eyepiece?

11. What type of slide did you make in the "e" lab.

12. What is the difference between a dependent and an independent factor?

13. Define adaptation.

14. What is the difference between sexual reproduction and asexual reproduction?

15. What does resolution mean when referring to microscopes?

16. Plants trap the energy from the sun by a process called__________________.

17. Define organism-

18. Define cell

19. What type of organisms have cells?

20. T / F When an organism is sleeping, it is not moving.

21. In order for an organism to be alive, it must

a. speak a language b. use energy c. walk d. use the sun for energy

22. T / F You are using energy right now.

23. Define homeostasis-

24. What will occur if an organism can not reproduce?

25. T / F Humans are asexual reproducers.

26. Explain the difference between growth and development.

27. T / F All organism must have a life span.

28. List the characteristics of life.

28. Define extinction-

29. Give two ways that light microscopes are different than electron microscopes.

1. 2.

30. Define resolution-

31. Compare and contrast a stimulus to a response.

32. T/ F A response must occur in order for a stimulus to occur.

33. Give an example of a stimulus and a response.

34. Define magnification.

35. Draw a picture and explain focal length.

36. What are two limitations of microscopes?