Download Ch 3-6: Ecology Test Review 1.) What`s another name for

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Ch 3-6: Ecology Test Review
1.) What’s another name for heterotrophs?
2.) True or False: Matter moves through an ecosystem in one direction only.
3.) What is the biosphere?
4.) What is ecology?
5.) ____________ are at the bottom of every energy pyramid.
6.) Where do they get their energy? ____________________
7.) What’s another name for autotrophs?
8.) Explain each of the following relationships.
a. Predation
b. Commensalism
c. Mutualism
d. parasitism
9.) How is a renewable resource different than a nonrenewable resource? Know some
examples of each.
10.) What is the tragedy of the commons?
11.) As you move up trophic levels in an energy pyramid, how much energy is lost each
time? ________ How is it lost?
12.) True or False: Energy flows through an ecosystem in one direction only.
13.) Number the following in order from smallest to largest.
a. Biosphere _____
b. Community _____
c. Individual/ organism _____
d. Ecosystem _____
e. Population _____
14.) Why are the following nutrients important to us? How have human activities altered
these cycles?
A. Carbon
B. Nitrogen
C. water
15.) The ____________ blocks most of the UV light coming from the sun.
16.) What is biological magnification?
17.) What is at the heart of every organism’s reactions with their environment?
18.) How are primary and secondary succession different?
19.) Define each of the following:
a. Herbivore
b. Carnivore
c. Omnivore
d. Detritovore
e. Scavenger
20.) How is weather different from climate?
21.) What is a niche?
22.) What is the greenhouse effect?
23.) When does competition occur?
24.) How are biotic and abiotic factors different?
25.) Give an example of each.
26.) Draw a food chain with at least four organisms. (Don’t forget to use arrows to show
energy flow.) Place these organisms into an energy pyramid.
27.) What is a nutrient?
28.) What is a carrying capacity?
29.) What is an ecological hot spot?
30.) What is an ecological footprint?
31.) What are some examples of conservation practices?
32.) What is biodiversity and why is it important?
33.) Give an example of a keystone species impacting a food chain.