Interdependence within Environmental Systems

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.

Which of the following best describes the small bird in the food web above?

• primary and secondary consumer
• secondary and tertiary consumer
• primary consumer only
• secondary consumer only

A frog eats a fly. The frog and fly are demonstrating ________.

• mutualism
• competition
• predator/prey
• parasitism

A tapeworm inside a dog is

• competition
• predation
• commensalism
• parasitism

A tick and a dog have this type of relationship.

• mutualism
• commensalism
• neutralism
• parasitism

Tags

NGSS.MS-LS2-2

A symbiotic relationship that involves species having to fight for something they both need or want

• competition
• predation
• commensalism
• parasitism

Plants both trying to get sunlight are 

• commensalism
• mutualism
• compeition
• parasitism

How many primary consumers are there in this food web?

• 1
• 2
• 3
• 4

Which represents the largest group in a food web?

• carnivores
• omnivores
• herbivores
• producers

Parrotfish are herbivores that are found in coral reefs.  To escape predation, a parrotfish will graze with a rabbitfish, which has venomous spines at the end of its pelvic fins.  The rabbitfish does not benefit from this relationship.  Which type of relationship do the parrotfish and the rabbitfish have in the coral-reef environment.

• Commensal
• Mutualistic
• Predator-prey
• Parasitic