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Zoology Review
1. What is the definition of ecology?
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2. All areas of life science build upon something simpler and smaller.
Give the order of each level of organization from smallest to largest and give an example of each level
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3. Give an example of how the number of populations in an ecosystem depends on both the biotic and abiotic
factors found in that environment. (hint: Think of a population of deer in a forest or fish in a lake)
Biotic:
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Abiotic:
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4. Describe ways that human activities can change the number of populations in an ecosystem and then explain
what would happen if our actions destroyed one entire population, what effect would that have on other
populations found there?
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5. What are the five characteristics that all living things share?
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6. What do you call the interaction between animals when one animal benefits from their relationship
and the other is not affected at all?
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7. What do you call the nonliving parts of an organism’s environment?
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8. What do you call an animal that eats other animals to survive?
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9. What do you call an animal that lives off of another animal usually harming the animal it is living on?
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10. What do you call the interaction where one organism kills and eats another organism for food?
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11. What do you call the living parts of an organism’s environment?
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12. What do you call Behaviors or physical characteristics that allow organisms to live successfully in
their environment?
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13. What do you call a close relationship between two species that benefits at least one of the species?
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14. What do you call the interaction where there is a struggle between organisms to survive as they
attempt to use the same limited resource?
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The 11 human body systems are as follows: (Match each system to the correct function)
15. Nervous system _____
16. Respiratory system_____
17. Excretory system_____
18. Muscular system_____
19. Endocrine system_____
20. Immune system_____
21. Reproductive system_____
22. Circulatory system_____
23. Digestive system_____
24. Skeletal system_____
25. Integumentary system_____
A. Absorbs oxygen
B. Moves bones
C. Breaks down food
D. Pumps blood
E. Sends and receives electrical signals
F. Regulates body function
G. Gets rid of waste
H. Body’s defense against illness
I. Produces reproductive cells
J. Provides a frame and support
K. Protects underlying tissues
26.The purpose of the 11 organ systems is for the human body to maintain Homeostasis.
What is homeostasis? __________________________________________________________
Give an example of how the body performs and maintains homeostasis:
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27. Name the 8 organs that make up the digestive system and describe their function.
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28.What are the 5 digestive organs that make up the digestive track? **(in order)
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29. Label the following diagram with the correct digestive organs.
31. Name the five senses the human body has.
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32.The nervous system is made up of two systems. What are they?
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33.What two organs make up the Central Nervous System?
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34.What is the overall function of the Central Nervous System?
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35.What organ makes up the Peripheral Nervous System?
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36.What is the overall function of the Peripheral Nervous System?
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37.What are the three parts of the human brain and what do they control?
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38.What are the 9 organs (in order) that make up the respiratory system and give a brief
description of their functions.
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39.What is the major muscle of the circulatory system? _____________________
40.How many chambers does the human heart have? _____________________
41.Label the chambers of a human heart.
42.What are the three types of blood vessels and what are their functions?
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43.What are the three types of blood cells and what is their function?
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44.What are seven reasons why bones are so important?
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45.How many bones do we have in our adult bodies? __________________________
46.How many bones do we have when we are born? ___________________________
47.All of the different cells in our body look completely different.
Explain one reason why Nerve cells and Red blood cells look so different.
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48.How do all cells in the body rely on the respiratory system?
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49.How do all cells in the body rely on the digestive system?
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50.How do all cells in the body rely on the skeletal system?
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51.How do all cells in the body rely on the circulatory system?
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52.How do all cells in the body rely on the nervous system?
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53.What system is the most important and why?
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