Ecology

Members of a species in a defined area

• Ecosystem
• community
• biodiversity
• population

Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

Series of steps in which organisms transfer energy by eating and being eaten

• foodweb
• consumer
• food chain
• omnivore

Organisms that relies on other organisms for food; consumer

• herbivore
• decomposer
• heterotroph
• species

What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.
• The shrew population would decrease due to being only hawk food source.
• The willow tree population would decrease.
• Foxes would dies due to no food source. 

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?

• 10%
• 20%
• 80%
• 90%

Which of the following leads to a decrease in biodiversity?

• protection of ecosystems
• pollution control
• selective cutting
• introduction of exotic or invasive species

In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

What is the correct order for this food chain?

• Owl, Mouse, Grasshopper, Grass

• Grass, Mouse, Owl, Grasshopper

• Grass, Owl, Grasshopper, Mouse

• Grass, Grasshopper, Mouse, Owl

Volcano erupting would be an example of what type of succession?

• Primary

• Secondary

• Tertiary