Energy Models in Ecology-Basic Review

What is a producer?

• Organism that makes its own energy

• Organism that breaks down dead organisms

• Organism that eats other organisms for food & energy

What is an omnivore?

• An organism that only eats plants for energy
• An organism that eats animals for energy
• An organism that eats both plants and animals for energy.

What is a carnivore?

• An organism that only eats plants for energy

• An organism that eats animals for energy

• An organism that eats both plants and animals for energy.

What is an herbivore?

• An organism that only eats plants for energy

• An organism that eats animals for energy

• An organism that eats both plants and animals for energy.

What is a consumer?

• Organism that makes its own energy

• Organism that breaks down dead organisms

• Organism that eats other organisms for food & energy

The ___% rule states that only ____% of energy is transferred to the next trophic level.

• 10%

• 25%

• 50%

• 100%

Tags

NGSS.MS-LS2-3

Which of the following is a food chain in the food web?

• Rabbit, mountain lion, fox

• Grass, grasshopper, frog, snake, hawk

• Grass, caterpillar, robin, mountain lion

• Tree, deer, mountain lion, fox

Tags

NGSS.MS-LS2-3

Match the following:

• Snake

• Producer/Autotroph

• Plant

• Apex Predator

• Bird

• Herbivore

• Grasshopper

• Tertiary Consumer

• Owl

• Secondary Consumer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The diagram shows part of an aquatic food web for a stable lake ecosystem in Connecticut. What is the source of energy for the algae?

• waves

• sunlight

• bacteria

• rotifers, water fleas and tadpoles

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do food chains and food webs relate to ecosystems?

• They illustrate the flow of energy and nutrients, showing how organisms interact within their environment.

• They represent the physical structure of an ecosystem without considering interactions.

• They only focus on the predator-prey relationships in an ecosystem.

• They are irrelevant to understanding ecosystem dynamics.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3