Biosphere and Population Quiz

What is the number of organisms per area of land known as?

• Population density

• Species diversity

• Ecosystem diversity

• Genetic diversity

What type of survivorship curve shows that organisms die at old age?

• Type I

• Type II

• Type III

• Type IV

Which factor contributes to population size by involving the movement of individuals into a population?

• Immigration

• Birth

• Emigration

• Death

What is the process by which new species are generated known as?

• Evolution

• Speciation

• Mutation

• Extinction

What is the maximum ability to produce offspring in ideal conditions called?

• Biotic potential

• Density-dependent limiting factor

• Density-independent limiting factor

• Survivorship curve

Which level of organization refers to the specific set of conditions that an organism exists within?

• Ecosystem

• Community

• Habitat

• Biome

What is the variety of life across all levels of organization known as?

• Biodiversity

• Ecosystem diversity

• Genetic diversity

• Species diversity

What is the term for the variety of different types of genes in a species or population?

• Genetic diversity

• Species diversity

• Ecosystem diversity

• Biodiversity

What type of survivorship curve shows a high death rate early in life with few organisms surviving to adulthood?

• Type I

• Type II

• Type III

• Type IV

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

• Carrying capacity

• Biotic potential

• Population density

• Survivorship curve