3.1/3.2 Ecology Vocabulary

The branch of biology dealing with interactions among organisms and between organisms and their environment is called:

• economy

• modeling

• recycling

• ecology

Plants are: (Choose 2)

• primary producers

• primary consumers

• herbivores

• autotrophs

The grasshopper in the food chain pictured is a:

• primary consumer

• decomposer

• primary producer

• detritivore

How do MOST primary producers make their own food?

• They change water into carbon dioxide.

• They use light energy to make carbohydrates.

• They break down remains to make carbon dioxide.

• They use chemical energy to make carbohydrates.

A grouping of more than one kind of organism (species) in a defined area is called:

• a community.

• a population.

• an ecosystem.

• a species.

Animals that eat producers and consumers are called:

• autotrophs

• herbivores

• omnivores

• chemotrophs

Environmental conditions include biotic factors and abiotic factors. Which two of the following are biotic factors:

• frogs

• rainfall

• lily pads

• dirt

Environmental conditions include biotic factors and abiotic factors. Which two of the following are abiotic factors:

• tree

• sand

• fish

• water

What is the lowest level of organization that includes biotic and abiotic factors?

• ecosystem

• community

• population

• species

A lion stalks, kills and eats a Cape buffalo. Which ecological terms correctly describes the lion?

• herbivore, decomposer

• carnivore, consumer

• producer, heterotroph

• autotroph