Chapter 13 Principles of ecology

A group of organisms of the same species that live in the same area is a(n)

• community

• ecosystem

• population

• biome

An individual living thing is a(n):

• population

• community

• organism

• biome

A group of different species that live together in one area is a(n):

• population

• community

• biome

• ecosystem

A major global or regional community of organisms is a(n):

• population

• ecosystem

• biome

• community

All of the living organisms and non-living things in a given area is a(n):

• biome

• community

• population

• ecosystem

What is biodiversity?

• a variety of non-living things in an ecosystem

• amount of biomass in an ecosystem

• amount of available energy in an ecosystem

• the variety of living things in an ecosystem

Organisms that feed on dead or decaying matter are:

• herbivores

• carnivores

• decomposers

• detritivores

An ecologist wants to count weeds to follow their populations. What research method would the ecologist use?

• observation

• modeling

• experimentation

• hypothesizing

What are biotic factors?

• living things

• non-living things

• things that are mechanical

• none of the above

What two factors make up ecosystems?

• water and organisms

• biotic and abiotic factors

• producers and consumers

• populations and organisms