Biosphere Chapter 3

all of the members of a particular species that line in the same area are called a(n)

• biome
• population
• community
• ecosystem

The simplest grouping of more than one kind of organism in the biosphere is a(n)

• population
• community
• species
• ecosystem

green plants are

• producers 
• consumers
• herbivores
• omnivores 

what is an organism that feeds only on plants called

• carnivore
• herbivore
• omnivore
• detritivore

all the interconnected feeding relationships in an ecosystem make up a food _______

• interaction
• chain
• network
• web

which type of pyramid shows the amount of living tissue at each trophic level in an ecosystem

• a numbers pyramid
• an energy pyramid
• a biomass pyramid
• a food pyramid

organisms need nutrients in order to 

• utilize hydrogen and oxygen 
• carry out essential life functions
• recycle chemical compounds
• carry out nitrogen fixation

plant eating animals like cows are called what

• herbivores
• omnivores 
• producers
• carnivores

The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

The living portions of the ecosystem.

• Biotic factors
• Abiotic factors