U4 Review #1: Lessons 1 and 2

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

• Organism

• Population

• Community

• Ecosystem

Which of the following includes all living and nonliving features of an environment?

• Community

• Population

• Ecosystem

• Species

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

What term is used to describe every living thing in and around a pond that makes up the community?

• Biome

• Ecosystem

• Population

• Community

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

What is the term for the most prominent species in the ecosystem that has the greatest effect on all other species?

• Dominant species

• Abundant species

• Keystone species

• Indicator species

Every living thing is made of ______.

• atoms

• cells

• molecules

• particles

What is the method of counting all of the members of a population called?

• Indirect Observation

• Sampling

• Direct Observation

• Estimation

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

• Emigration

• Migration

• Immigration

• Population shift