U4 Quiz Review #2: Lessons 1 to 5

What does the term "death rate" refer to?

• The number of births in a population over a specific time

• The number of organisms that die over a specific time

• The number of organisms that migrate over a specific time

• The number of organisms that are born and die over a specific time

How is population density calculated?

• Population density = the number of individuals / the area of space

• Population density = the area of space / the number of individuals

• Population density = the number of individuals * the area of space

• Population density = the area of space * the number of individuals

ECOLOGY is the study of how living things ______ with each other and their ______ environment.

• compete, artificial

• interact, natural

• separate, hostile

• communicate, virtual

What term is used to describe when organisms move into a population?

• Emigration

• Migration

• Immigration

• Population shift

Which level of organization in an ecosystem is defined as all the living and nonliving things in an area?

• Organism

• Population

• Community

• Ecosystem

What is the birth rate of a population?

• The number of individuals leaving the population.

• The number of individuals joining the population.

• The number of organisms born over a specific time.

• The size change of the population.

What is a limiting factor in an ecological context?

• A factor that increases the size of a population indefinitely

• An environmental condition or resource that limits the size of a population of organisms

• A resource that is unlimited in an environment

• A factor that has no impact on the population size

What is the definition of carrying capacity?

• The smallest population an area can support.

• The largest population an area can support.

• The average population an area can support.

• The initial population an area can support.

What is a group of interbreeding organisms of the same species living in the same area called?

• Ecosystem

• Community

• Population

• Biome

Which 'sphere' of Earth includes all of the water?

• Atmosphere

• Lithosphere

• Hydrosphere

• Biosphere