Ecology and the Environment 1-55 UNIT I COOPERATIVE HOMEWORK ASSIGNMENT #2 (10 p

Question

Ecology and the Environment 1-55 UNIT I COOPERATIVE HOMEWORK ASSIGNMENT #2 (10 points) Questions are worth L1/2 point each unless marked otherwise. Names of Group Members (list names in ALPHABETICAL ORDER) 1. (recall) Which of the following are fossil fuels? a. coal b. limestone C. d. petroleum e choices a and d are both fossil fuels, but not b or c coral skeletons (recall) Satellite and other scientific data have shown that, over the past several decades, global temperatures have-and CO2 levels have. 2. a. increased, increased b. decreased, decreased c. increased, stayed about the same d. gone up and down randomly, increased 3. (recal) Which of the following is an example of the fast pathway of the carbon cycle in nature? a. fossil fuel formation b. photosynthesis/cell respiration c. fossil formation d. c. coral skeletons form reefs 4. (recall) Resources that are replaced too slowly to be useful for human needs are called: a. limiting factors b. renewable d. nonrenewable e. non-sustainable c. natural resources . (application) Which of the following contribute to the fact that Americans have a larger ecological footprint than the residents in other industrialized nations? a. using compact fluorescent light bulbs in homes and businesses b. buying produce shipped from other countries to the U.S. c. riding a bicycle or using public transportation to go to work d. putting solar panels on the roof of your home e. checking the energy guide label before purchasing new appliances

Explanation / Answer

1. Option E is correct.
Coal and petroleum are fossil fuels.
Limestone is a mineral deposit and coral skeletons are produced in the oceans by cnidarians.

2. Option A is correct.
Global CO2 levels have increased in the recent past leading to increased temperatures (Greenhouse effect).

3. Option B is correct.
Photosynthesis captures atmospheric carbon and respiration releases it back into nature. It is a quick process.

4. Option D is correct.
Resources that are replaced too slowly to be useful for human needs are known as non-renewable resources.

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