Unit 09 Exam Ecology

Which trophic level has the most amount of energy available?

• Herbivores

• Primary Consumer

• Producer

• Consumer

Answer explanation

Producers create their own energy using photosynthesis.

Which trophic has the least amount of energy?

• Tertiary consumer

• Secondary Consumer

• Carnivore

• Primary Succession

If the Secondary consumer has 100J of energy, how much energy is available for the Primary consumer?

• 10000

• 100000

• 10

• 1000

How much energy is available at the producer level, if the primary consumers have 1000 J of energy?

• 100

• 1

• 10%

• 10000

Which organism would be put in the base of the Pyramid base?

• Tree Frog

• Grass

• Grasshopper

• Eagle

Ecological succession is the....

• destruction of diversity in an ecosystem

• growth of diversity in an ecosystem

• When 1 ecosystem succeeds another

• blending of the different organisms

What type of succession begins where no life has existed before?

• Pioneer succession

• Primary Succession

• Primary Consumer

• Secondary Succession

What type of succession begins after an ecological distrubance?

• Primary Succession

• Secondary Consumer

• Decomposition

• Secondary Succession

How is carbon absorbed by plants from the atmosphere?

• Decomposition

• Cellular Respiration

• Denitrification

• Photosynthesis

How is carbon returned to the atmosphere?

• Decomposition

• Cellular Respiration & Fossil Fuel

• Denitrification

• Photosynthesis