Ecology Organization Quiz

At which level of organization do scientists study groups of the same species living in an area?

• Individual

• Population

• Community

• Biosphere

What is a population?

• A group of individuals of different species living in different areas

• A group of individuals that belong to the same species living in the same area at the same time

• A single individual living in isolation

• A group of individuals of the same species living in different areas

Which of the following is NOT a characteristic of a population?

• Population size

• Geographic distribution

• Color

• Density

What is population size?

• The number of individuals in a population at a given time

• The number of species in an ecosystem

• The amount of food available in a habitat

• The area covered by a population

What does immigration refer to in the context of population size?

• The birth rate in a population

• The death rate in a population

• The movement of individuals into a population

• The movement of individuals out of a population

What does emigration refer to in the context of population size?

• The birth rate in a population

• The death rate in a population

• The movement of individuals into a population

• The movement of individuals out of a population

What does geographic distribution describe?

• The climate of a region

• The area inhabited by a population

• The food sources available

• The cultural practices of a region

What is a risk associated with high population density?

• Less vulnerability to predators

• More infection disease

• More space

• Fewer resources

What is the most common type of distribution in nature?

• Random distribution

• Uniform distribution

• Clumped distribution

• Scattered distribution

What is the role of emigration in population growth?

• It increases population growth

• It decreases population growth

• It stabilizes population growth

• It has no effect on population growth