Organism Relationships and Food Webs/Food Chains

Which is NOT an abiotic factor:

• soil
• air
• bacteria;
• water

Tags

NGSS.MS-LS2-3

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

• 10%
• 50%
• 90%
• 100%

Tags

NGSS.MS-LS2-3

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.
• The number of primary consumers would increase.
• The number of plants would increase.
• The number of secondary consumers would increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A consumer that hunts is called:

• a producer.
• an omnivore.
• a predator.
• a herbivore.

Tags

NGSS.MS-LS2-2

Where do decomposers go in your food chain?

• at the beginning
• they don't belong in a food chain
• at the end
• at every level

Tags

NGSS.MS-LS2-3

A food web can be broken down into several seperate

• food chains
• food pyramids
• producers
• consumers

Tags

NGSS.MS-LS2-3

Which represents the largest group in a food web?

• carnivores
• omnivores
• herbivores
• producers

Tags

NGSS.MS-LS2-2

What might occur when a carnivore is removed from the food web?

• A)  Nothing.  Organisms cannot impact things below them on the energy pyramid.
• B)  Primary consumers will overpopulate.
• C)  Plants will be over browsed by herbivores.
• D)  both B and C might occur.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

relationship in which two species live closely together

• resource
• mutualism
• succession
• symbiosis

Tags

NGSS.MS-LS2-2

symbiotic relationship in which one organism benefits and the other organism is harmed 

• secondary succession 
• predation
• pioneer species 
• parasitism

Tags

NGSS.MS-LS2-2