Part 1 Questions:
28. Some organisms use asexual reproduction as the way to reproduce and
11. What will happen to a species if some members do not reproduce?
insure the survival of the species. What types of organisms do this?
_______________________________________________________________
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12. What will happen to a species if no members do not reproduce?
29. How many parents are needed for asexual reproduction? ___________
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30. Give an example of a plant and animal that can reproduce asexually?
13. DNA is organized into units called_________________________________. _____________________________________________________________
14. Do all organisms have the same number of chromosomes? ____________
31. Will there be much difference in offspring that results from asexual
15. How many chromosomes do humans have? ____________
reproduction? ___________
16. What substance are genes made of? ____________
Part 3 Questions:
17. Genes are contained in what larger structures? _____________________
32. What is sexual reproduction?
18. Genes are recipes for what kind of macromolecules? _________________
_____________________________________________________________
19. Do all chromosomes have the same number of genes? _______________
33. What’s the main difference between sexual and asexual reproduction?
20. What do genes control? ________________________________________
_____________________________________________________________
21. Do all organisms have the same number of genes? __________________
34. Which process produces sex cells, mitosis or meiosis?
22. About how many genes do humans have? ___________________
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23. Where does an organism get its genes?
35. How many chromosomes are in each male sex cell? ________________
______________________________________________________________
36. How many chromosomes are in each female sex cell? ______________
Part 2 Questions:
37. When meiosis produces sex cells in males, what are the new cells
24. How many parent cells are involved in mitosis? _____________________
called? _______________________________________________________
25. How many cells are produced in the process of mitosis? ______________
38. When meiosis produces sex cells in females, what are the new cells
26. Describe what happens in mitosis after DNA is replicated?
called? _______________________________________________________
_______________________________________________________________
39. What is the difference between meiosis and mitosis?
_______________________________________________________________
_____________________________________________________________
_______________________________________________________________
_____________________________________________________________
27. What is sexual reproduction?
_____________________________________________________________
_______________________________________________________________
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Review:
1. What cell part is the mighty power plant of the cell and makes
energy from food? ___________________________________
2. Explain the difference between passive and active transport.
_______________________________________________________
_______________________________________________________
3. What 3 cell parts does a plant cell have that an animal cell doesn’t
have?
______________________________________________________
4. Explain diffusion. Is it active or passive transport?
_______________________________________________________
_______________________________________________________
5. Explain osmosis.
_______________________________________________________
6. Why is the vacuole of a plant cell so much larger than that of an
animal cell?
______________________________________________________
7. Which cell part controls what goes in and out of the cell?
_______________________________________________________
8. Explain the function of ribosomes.
_______________________________________________________
9. Which cell part tells the rest of the cell what to do?
_______________________________________________________
10. Why is DNA important to cells?
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