LIVING WITH THE EARTH
MULTIPLE CHOICE
1. Another word for the "layer of life" is _______.
2 What effects climate the most? _________________.
3 Circle example(s) of an ecosystem.
4. Circle two examples of physical or abiotic components of an ecosystem.
5. Tropical rainforests contain what percentage of the world's plants and animals.
6. Most life in the tropical rainforests occur in what part of the forest.
7. What is the process by which plants use energy from the sun to turn carbon dioxide and water into simple sugars.
8. What is the best example(s) from the list below of an organism belonging to the first trophic level.
9. Give an example of a primary consumer.
10. Since each higher trophic level requires a greater expenditurre of energy to survive, what is the perceived maximum number of trophic levels the earth can support?
11. Circle three macronutrients listed below.
12. Circle all the ways carbon dioxide is released into the atmosphere.
13. What gas makes up the largest percent of the earth's air?
20. Circle the two examples of secondary succession.
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TRUE/ FALSE
1. The theoretical layer of life is five miles above and below the ocean's surface.
True ______ False ______
2. Life is equally distributed throughout the biosphere.
True ______ False ______
3. Biomes are based on dominant types of animals which are strongly correlated to whether or not humans are present in the area.
True ______ False ______
4. The seasons are caused by the earth's distance from the sun.
True ______ False ______
5. Warmer air holds more moisture, so areas with warm air tend to have a lot of precipitation.
True ______ False ______
6. Warm air molecules are packed more closely together than cold air, making the air seem warmer.
True ______ False ______
7. The Coriolis effect is influenced strongly by sunspots.
True ______ False ______
8. Tundra biomes are found close to the equator.
True ______ False ______
9. Tundras are the biomes found farthest north.
True ______ False _____
10. Tundra biomes receive over one hundred inches of rain a year.
True ______ False ______
11. Massachusetts is an example of a taiga biome.
True ______ False ______
12. Tropical rainforests and deserts may occur in the same latitude.
True ______ False ______
13. Zinc, iron, and copper are examples of macronutrients.
True ______ False ______
14. Humans are nitrogen-based life forms.
True ______ False ______
15. The sedimentary cycle refers to calcium, iron, and phosphorus getting leached from sedentary rocks by water erosion.
True ______ False ______
16. Primary succession is the first step of succession.
True ______ False ______
17. A climax community is the final step of succession.
True ______ False ______
18. A spruce tree is an example of a pioneer plant.
True ______ False ______
19. Retrogression in an area can result in fewer species.
True ______ False ______
20. Oxygen, not sunlight, is what ultimately powers most life.
True ______ False ______
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SHORT ANSWER QUESTIONS
1. Briefly describe what retrogression is.
2. Name at least three things the word climate takes into consideration.
3. Name two phenomena associated with climatic change.
4. How is the climate most effected. _________________.
5. Give two examples of ecosystem.
6. Give two examples of physical or abiotic components of an ecosystem.
7. What is the process by which plants turn carbon dioxide and water into sugar and water.
8. What is the term associated with the accumulation of organic material in an ecosystem?
9. What term describes the amount of energy stored by a plant to be used as chemical energy?
10. Give an example of an organism in the first trophic level.
11. Give an example of a primary consumer.
12. About how many trophic levels can the earth support?
13. Name three macronutrients.
14. List three sources from which carbon dioxide is released into the atmosphere.
15. What part of the carbon cycle do scientists think is contributing to the greenhouse effect?
16. What macronutrient makes up the largest percent of the earth s air?
17. Briefly describe what retrogression is.
18. Give an example of secondary succession.
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ESSAY QUESTIONS
1. What is permafrost, in what biome is it found, and what is its effect on that biomes' vegetation?
2. Discuss the types and numbers of species available in the different biomes.
.3. Discuss the benefits of being an herbivore in relation to preserving the environment.
4. Discuss the different types of desert plants and their root systems and leaves.
5. Describe the carbon cycle.