Ecology Pre-Assessment

A living or once-living organisms in an ecosystem is a

• population
• biotic factor
• abiotic factor
• community

Is a fern an abiotic or biotic factor? 

• abiotic
• biotic

Precipitation, elevation, longitude, and salinity are all examples of this type of environmental factors.

• biotic

• abiotic

• organic

• biologic

This is a group of interacting populations in a geographic area.

• population

• community

• ecosystem

• biome

Omnivores and detritivores are examples of ______________?

• producers

• autotrophs

• consumers

• synthesizer

This biome covers 20% of the Earth's surface and receives less that 10 inches of precipitation annually.

• grasslands

• desert

• deciduous forest

• tundra

What would be a good example of a primary consumer?

• carnivore

• detrivore

• decomposer

• herbivore

The monkey would be a

• decomposer

• producer

• primary consumer

• secondary consumer

Individuals that can breed with one another make up a

• species
• population
• community
• ecosystem

All of the living and nonliving things in an area that interact with each other are called a/an ______.

• community
• habitat
• population
• ecosystem