Download Answer Key-Cells and Organs Review 1. A cell wall protects and

Answer Key-Cells and Organs Review
1. A cell wall protects and supports a plant cell
while the cell membrane determines what comes
in and out of a cell.
2. A
3. D
4. A
5. B
6. D
7. A
8. A
9. A
10. A
11. D
12. An organ only has one job and is made up of
tissues. An organ system is multiple organs
working together to perform a primary function.
13. C
14. A
15. B
16. Nerves send signals to the brain to tell the body
what to do or how to react. Muscles, in turn,
contract as a unit to allow us to walk and give us
support.
17. B
18. C
19. B
20. A
21. C
22. D
23. B
24. A
25. C
26. D
27. C
28. C
29. A
30. C
31. .
1. Out of the cell
2. Into the cell
3. Neither way
4. Out of the cell
5. Into the cell
6. Out of the cell
32. Possible Answers:
a. Ways they are similar: they make up living organisms; they both have mitochondrion, nucleus, cell
membrane, Golgi body, E.R. etc.; they both carry out specific activities needed for life.
b. Ways they are different: plant cell has a cell wall; plant cell has chloroplast; plant cell can make its own
food; animal cells can have flagella or centrioles.
33. What three things does the cell theory state
a. All living things are composed of cells
b. All cells come from other cells
c. Cells are alive and the basic living unit of all organisms
34. .