5 Written Questions
5 Matching Questions
- Fecal Coliform Test
- Equilibrium theory
- a The theory that ecosystems have natural checks and balances.
- b Test for presence of the bacteria Escherichia coli, typically found in the gut of humans and other mammals. Used to determine the contamination of a body of water. The presence of fecal coliform is an indication that harmful bacteria are present.
- c occurs when habitats are divided into a patch work of intact forest land and deforested lands.
- d The death of all individuals of a particular species. This results in loss of genes and biodiversity.
- e A blend of 90% gasoline and 10% alcohol, used to help extend gasoline supplies.
5 Multiple Choice Questions
- The naturally hot interior of Earth.
- Very rapid growth of a species only possible if considerable resources are present and limiting factors are held to a minimum. produces a j-shaped curve.
- Refers to the atoms, usually radioactive and the subatomic particles resulting from the splitting of atoms in a nuclear reactor.
- A nonnative species introduced to an area. may experience exponential growth due to a lack of natural predators, and take over valuable native species
- Law of Conservation of Energy. States that energy is never created but only converted from one form to another.
5 True/False Questions
Food Chain → Simplified view of the transfer of energy and material from one organism to another. They are never very long due to the tremendous energy lost at each step.
Eutrophic → A stage in the ecological succession of a lake where nutrient rich water provides abundant growth of algae and or other aquatic plants. Called middle-aged lake.
Fission → Splitting of an atom into two atoms of lighter elements. This is basic of nuclear energy production
Endangered Species Act → A species where the population is declining, and may be endanger of extinction without positive human intervention. Reasons are habitat destruction and pollution. organisms include specialists that need specific habitat needs.
Endangered species → The federal legislation that mandates protection of species and their habitats that are in danger of extinction.