Name ___________________________________________ Period ______ Date ________
ASK Biology Review
1.
What are the five characteristics of life?
2.
What are the first five levels of organization? (Cells…)
3.
How do the circulatory and respiratory systems work together? (What happens to a blood cell as it travels
through the heart, then lungs, then the rest of the body?)
4.
What are the jobs of the following organelles?
a.
b.
c.
d.
Nucleus
Cell membrane
Mitochondria
Chloroplasts
5. What is mitosis? Why does it happen?
6. What is meiosis? Why does it happen?
7. What is a prokaryotic cell?
8. What is a eukaryotic cell?
9. Compare and contrast unicellular and multicellular organisms. (at least three bullet points)
10. What is a producer?
11. Explain what is happening in this picture. What process is it showing? ____________________
12. What is a consumer?
13. Explain how energy is flowing through this ecosystem.
14. What happens to a sandwich when we eat it? How do the nutrients get delivered and used by our cells?
15. What is the main source of energy for all life on Earth? ____________________
16. What do we call these non-living parts of ecosystem (as seen in the
picture). ____________________
17. Describe how this ecosystem would be affected if you changed these
parts.
18. Describe the following interactions and give an example:
Interaction
Description
Example
1. Producer/consumer
2. Predator/prey
3. Parasite/host
4. Scavenger/prey
5. Decomposer/prey
6. Mutualism
7. Commensalism
19. Reproduction can be sexual (two parents producing genetically different offspring) or asexual (one parent
producing genetically identical offspring. What would be an advantage and a disadvantage to each type of
reproduction?
Advantage
Disadvantage
Sexual reproduction:
Asexual reproduction:
20. How does sexual reproduction help an organism evolve?
21. What is extinction? How could it occur?
22. Use the diagram to explain why a bird and
crocodile are closely related while a bird and a frog
are not closely related.
23.
Green (G) is dominant. Yellow (g) is recessive.


Cross a heterozygous female with a yellow male.
Female genotype__________
Male genotype___________
Offspring
_____% homozygous green
_____ % heterozygous green
_____ % homozygous yellow
24. Red (R) is dominant. Blue (r) is recessive.

Cross a homozygous red female with a purebred blue male.
Female ____________
Male ______________
Offspring
_______ % homozygous red
_______ % heterozygous red
_______ % homozygous blue
25. Are these punnett squares an example of sexual or asexual reproduction? ___________
EXPLAIN: