5 Written questions
5 Matching questions
- First Law of Thermodynamics
- Exotic Species
- a Combination of evaporation and transpiration
- b Splitting of an atom into two atoms of lighter elements. This is basic of nuclear energy production
- c A blend of 90% gasoline and 10% alcohol, used to help extend gasoline supplies.
- d Law of Conservation of Energy. States that energy is never created but only converted from one form to another.
- e A nonnative species introduced to an area. may experience exponential growth due to a lack of natural predators, and take over valuable native species
5 Multiple choice questions
- 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.
- A bay open to the ocean at one end and receiving fresh water from a river at the other end, hence mixing of fresh and salt water occurs.
- 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.
- refers to change over time. States that all species now on Earth descended gradually from ancestoral species through process known as natural selection.
- Ecosystems that are dependent on the fire for their reproduction and regeneration.
5 True/False questions
Equilibrium theory → The theory that ecosystems have natural checks and balances.
Euphotic Zone → An area in aquatic ecosystems where there is enough light penetration to support photosynthesis.
Eutrophication → 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.
Fuel assembly → Refers to rods containing nuclear fuel, usually uranium. The chain reaction in the fuel assembly is controlled by these rods.
Fuel wood → Takes into account all the food chains in an ecosystem.