Chapter 4 vocabulary test

All of the abiotic and biotic factors in a given area form...

• a community
• an ecosystem
• a population
• a species 

The path that energy takes as it moves from one organism to another in an ecosystem is 

• a cycle
• an energy pyramid
• a food chain
• a food web

All biomes have specific

• climates and pioneer communities
• climates and types of organisms
• ecosystems and succession
• limiting factors and types of organisms 

The size and growth of a population is controlled by

• a community
• a food chain
• a limiting factor
• a population 

Bacteria in the soil change an element in the air into a form that plants can use during the 

• carbon dioxide cycle
• nitrogen cycle
• oxygen cycle
• an abiotic factor 

A model of the way that food chains overlap in an ecosystem is called 

• an energy pyramid
• a food chain
• a food web
• an abiotic factor 

The biome with the coldest climate

• grassland
• deciduous forest
• taiga
• tundra

When the population of a given species decreases until the species no longer exists, the species becomes 

• endangered
• extinct
• limited
• threatened

When two organisms have a relationship from which both benefit, the relationship is called 

• commensalism
• competition
• mutualism
• parasitism

The model that shows how much energy is passed from one organism to another is the 

• energy pyramid
• food chain
• food web
• symbiotic relationship