Exploring Population Growth Dynamics

What is the definition of a population in ecology?

• A group of different species living in the same area

• A group of living things that live close enough to each other to reproduce

• A group of non-living things in an environment

• A group of organisms that cannot reproduce

Which of the following is an abiotic factor?

• Grass

• Fleas

• Water

• Bacteria

What does the prefix 'a-' signify in the term 'abiotic'?

• Not

• Alive

• Small

• Large

Which of the following is a biotic factor?

• Pollution

• Sand

• Other people

• Oxygen gas

What causes exponential growth in a population?

• Unlimited resources

• Decreasing population

• Increasing death rate

• Limited resources

What shape does the graph of exponential growth resemble?

• M curve

• S curve

• J curve

• L curve

What is the term for the maximum population size that an environment can sustain?

• Exponential growth

• Population density

• Carrying capacity

• Limiting factor

What happens to a population when resources are limited?

• It becomes extinct

• It levels off at a certain point

• It decreases immediately

• It keeps growing exponentially

What is a limiting factor?

• A factor that increases population

• A factor that has no effect on population

• A resource that is in short supply

• A resource that is abundant

What shape does the graph of limited growth resemble?

• M curve

• J curve

• L curve

• S curve