Unit 9 Ecology review

What would most likely happen if the rabbit population was removed from the food chain grass —› rabbit —› fox?

• their would be more grass
• there would be less rabbits
• there would be more fox

The largest group of organisms found in a food web would be:

• Primary Consumers
• Producers
• Decomposers
• Tertiary Consumers

A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?

• A
• B
• C
• D

What amount of percentage does the energy decrease as it goes up the pyramid?

• 100%

• 1000%

• 10%

• 1%

Biodiversity is 

• the variety of species within an ecosystem
• a large number of the same species in an ecosystem
• an abundant amount of the same primary consumers 
• the ability to have an abundant source from the same species

Pictured is a food web.

Which organism is a producer?

• Deer

• Berries

• Black bear

• Red fox

When individuals in a population move out or away.

• emigration

• immigration

• migration

• dispersion

Carrying capacity is...

• The lowest number of organisms in an ecosystem.

• The total number of organisms in an ecosystem.

• The maximum number of organisms an ecosystem and its resources can support.

• The number of living organisms in an ecosystem.

What is the carrying capacity of the beetle population?

• 3

• 5

• 7

• 9

The picture shows what type of succession?

• primary
• secondary
• tertiary
• quadanary