Basic Ecology Test Review

Name ______Date ______Per ___

Basic Ecology Test Review

1. What is abiotic factor? (p. 6)

1. What is an abiotic factor? (p. 6)

1. Give three examples of biotic factors. (p. 6)

1. Give three examples of abiotic factors. (p. 6)

1. Look at the following examples of the 5 different levels of environmental organization that we talked about in class. Indicate whether each example is…

I = individual level

P= population level

C = community level

E = ecosystem level

B = biosphere level

1. ___ ant families living under a rock (pg. 8)
2. ___ a great northern pike
3. ___ all of the species living and interacting at Park Lake + abiotic factors (wind, light, temp etc)
4. ___ the people of East Helena
5. ___ all of the warbler families that live and interact on the south slope of Mt. Helena
6. ___ all of the species living and interacting at Lake Helena
7. ___ a chimpanzee
8. ___ the part of Earth where life exists
9. ___ all of the species living and interacting at Moose Creek campground + abiotic factors
10. ___ grove of aspen trees in the Elkhorn Mountains
11. ___ mountain goat families of Hellgate Canyon that live and interact
12. ___ all of the species that live and interact at Blue Cloud Spires

1. Describe two ways that population numbers can increase. (pgs. 11-12)

1. Describe two ways that population numbers can decrease. (pgs. 11-12)

1. One million people live on the island of Oahu, and one million people live in the state of Alaska. Which area has a greater population density? Explain. (p. 14)

1. Describe the “niche” for a squirrel in your neighborhood. (p. 20)

1. Give four examples of limiting factors. (p. 15)

1. Give an example of how an organism is adapted to its environment. (p. 19)

1. Give an example of competition between organisms in their environment. (p. 21)

1. Give an example of predation between two species of organisms. (p. 22)

1. Define symbiosis. (p. 25)

1. Name and define the three types of symbiosis. (pgs. 25-26)

• ______
• ______
• ______

1. Give an example of each type of mutualism. (pgs. 25-26)

1. Give an example of commensalism. (pgs. 25-26)

1. Give an example of parasitism. (pgs. 25-26)

1. How do each of the following types of organisms obtain their energy? (pgs. 43-45)
2. Producer- ______
3. Consumer- ______
4. Decomposer- ______
5. Herbivore- ______
6. Carnivore- ______
7. Omnivore- ______

1. Give an example of each of the following types of organisms. (pgs.43-45)
2. Producer- ______
3. Consumer- ______
4. Decomposer- ______
5. Herbivore- ______
6. Carnivore- ______
7. Omnivore- ______

1. Give an example of a five link food chain. (p. 46)

1. Draw an example of a food web. (p. 46) Include at least two producers, three herbivores, two omnivores, and at least one carnivores. Be sure to draw you arrows facing the correct direction.

Fire Ecology Test Review

1. Be able identify the following Montana evergreen species without using a dichotomous key:
2. ______
3. ______
4. ______

1. Be able to describe one method that fire fighters use to fight forest fires.

1. Draw the fire triangle.

1. Name two natural and two human caused sources of heat for fire ignition.

1. Name three potential fuel sources you might expect to find in a forest.

1. How can wind affect forest fires? How does slope affect forest fires?

1. What effect will the beetle kill trees have on or local forests?

1. Would you consider the forests in the South Hills of Helena to be in a “natural state?” Why or why not?

1. Essay: How are ponderosa pine forests and lodgepole pine forests adapted differently for dealing with forest fires?