Ecology Quiz - Guide Class

What is the top six inches of water on the pond's surface known as in a fresh-water pond ecosystem?

• Open water

• Bottom

• Shore

• Surface film

Which of the following is a physical factor that influences ecosystem viability?

• Soil pH

• Interspecific relations

• Intraspecific relations

• Mutualism

What does the term 'commensalism' describe in ecology?

• A relationship where one benefits at the expense of the other

• A relationship where one benefits and the other is neither harmed nor helped

• A relationship where both organisms benefit

• A relationship where both organisms are harmed

Which of the following is a major class of ecologically similar communities of plants, animals, and soil organisms?

• Ecosystem

• Biome

• Community

• Food chain

What is the main source of nitrogen dioxide in the atmosphere?

• Volcanoes

• Pulp mills

• Internal combustion engines

• Forest fires

What does Psalm 8 assert about man's role in relation to the Earth?

• Man has no role in relation to the Earth

• Man is responsible for the well-being of the Earth

• Man should exploit the Earth for personal gain

• Man should not interfere with the Earth

What is the main purpose of an ecological pyramid?

• To demonstrate the impact of pollution on an ecosystem

• To display the geological factors of an ecosystem

• To show the distribution of water in an ecosystem

• To show the abundance of organisms at each trophic level

What is the definition of 'ecological succession'?

• A relationship between two living organisms

• A stable balance in the numbers of each species in an ecosystem

• A predictable and orderly change in the composition of an ecological community

• The science of analyzing and protecting Earth's biological diversity

What is the term used to describe the increase in the primary productivity of an ecosystem?

• Eutrophication

• Conservation

• Commensalism

• Plankton

Which of the following is a natural source of atmospheric particulates?

• Internal combustion engines

• Construction sites

• Landfills

• Sea spray