Unit 9- Ecology Review

What is an example of a renewable resource?

• Coal

• Natural Gas

• Solar Energy

• Uranium

Which of the following best describes the term "biodiversity"?

• The number of species in a specific habitat

• The genetic variation within a population

• The variety of life in the world or in a particular habitat or ecosystem

• The ability of an ecosystem to sustain life

What does the term "carrying capacity" refer to?

• The maximum population size of the species that the environment can sustain indefinitely

• The total biomass that an ecosystem can support

• The number of species that can live in an ecosystem without human intervention

• The ability of an ecosystem to recycle nutrients

Which of the following is NOT a type of interaction found within an ecosystem?

• Predation

• Mutualism

• Commensalism

• Isolationism

What is a food web?

• A linear sequence of who eats whom in an ecosystem

• A system of interlocking and interdependent food chains

• A graphical representation of water flow in ecosystems

• A chart showing the nutrient cycles in an ecosystem

Which of the following is considered a sustainable energy source?

• Petroleum

• Wind Power

• Coal

• Natural Gas

What factor can limit the carrying capacity of an ecosystem?

• Increased biodiversity

• Unlimited water supply

• Food availability

• High levels of solar energy

How does species diversity affect ecosystem stability?

• It has no effect on ecosystem stability

• It decreases ecosystem stability

• It increases ecosystem stability

• It initially increases then decreases ecosystem stability

What is mutualism?

• A relationship where both species benefit

• A relationship where one species benefits and the other is harmed

• A relationship where one species benefits and the other is unaffected

• A relationship where both species are harmed

Which of the following best defines an ecosystem?

• A community of living organisms and their physical environment

• A group of interacting living organisms

• A collection of different species living in the same area

• A biome containing several habitats