Ecology Unit CFA 1 Review (Flow of Energy)

Which of the following displays the most energy being transferred?

• Primary Consumers

  -> Secondary Consumers

• Producers -> Primary Consumers

• Secondary Consumers -> Tertiary Consumers

• They are all transferring equal amounts of energy.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

__________ is an organism that only eats meat for energy.

• Omnivore
• Borivore
• Herbivore
• Carnivore

__________ is an organism that eats BOTH plants and animals for energy.

• Omnivore
• Darnivore
• Carnivore
• Herbiovre

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.

• There would be a decrease in the grass/flowers population.

• There would be a decrease in the mice population.

• There would be an increase in the grass/flowers population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In this food chain, what will happen if the frogs become extinct?

• The snakes will increase.
• The grasshoppers will decrease.
• The eagles will remain the same.
• The grasshoppers will increase.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the ultimate source of energy?

• Producers

• Primary Consumers

• Decomposers

• The Sun

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

If the population of mice were removed from the food web, what would most likely happen?

• The snake population would increase.

• The hawks would have to find an additional food source.

• The mountain lion population would decrease

• The hawks and snakes would not survive.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-2