Ecology Vocabulary Questions

Which of the following is an example of an abiotic factor in an ecosystem?

• Deer

• Soil pH

• Bacteria

• Grass

The biosphere includes:

• Only the atmosphere

• All living organisms on Earth

• Only land environments

• Only aquatic ecosystems

Which of these is a biotic factor?

• Rocks

• Rainfall

• Fungi

• Temperature

Carrying capacity refers to:

• The maximum number of organisms an environment can support

• The energy passed from prey to predator

• The number of species in an ecosystem

• The migration of organisms

Competition occurs when:

• Organisms use different resources

• Organisms fight for the same limited resource

• One organism preys on another

• Organisms migrate to new habitats

Which of these is a decomposer?

• Lion

• Grass

• Mushroom

• Eagle

Ecology is the study of:

• Rocks

• Human anatomy

• Interactions between organisms and their environment

• Atoms

An ecosystem includes:

• Only animals

• Living organisms and nonliving environment

• Only plants and water

• Only producers and decomposers

Exponential growth is best described as:

• Growth that levels off

• Growth at a constant rate

• Growth that accelerates without limit

• Declining population

A food chain shows:

• All feeding relationships in an ecosystem

• The one-way flow of energy from producer to consumer

• How populations compete

• How nutrients cycle