Ecological Levels, Ecological Relationships and Food Webs

What would happen if sea stars were removed from the coral reef community?

• mussels and sea urchins would disappear.

• the coral reef community would be destroyed.

• fish would become terrestrial species.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is NOT considered to be a symbiotic relationship?

• A hawk feeding on a field mouse

• Worms living in a cow's intestine

• A deer tick feeding on a host animal

• A bee pollinating a flower

Tags

NGSS.MS-LS2-2

Humans can be infected by tape worms. The tape worm gets a place to live in the intestines of the human. The human loses weight and nutrients due to the tape worm. This is an example of:

• Parasitism

• Mutualism

• Commensalism

• Predation

Tags

NGSS.MS-LS2-2

Which of the following terms would be a biotic part of an environment?

• sunlight

• dead dragonfly

• solar energy

• air

What is mutualism?

• one organism feeds on the other

• both organisms benefit from their relationship

• one organism benefits while the other is harmed

• one organism benefits and the other neither benefits or is harmed

Tags

NGSS.MS-LS2-2

Skunk Cabbage plants attract flies in cool weather by making heat and provide food to the flies that come. The flies move from one Skunk Cabbage plant to the next feeding and transferring pollen as they go. This is an example of –

• commensalism

• parasitism

• mutualism

• predation

Tags

NGSS.MS-LS2-2

These organisms eat only producers in an ecosystem.

• carnivores

• omnivores

• herbivores

• decomposers

Where would the lowest amount of energy be in this food web?

• Cacti

• Bacteria

• lizards

• coyotes

Tags

NGSS.MS-LS2-3

Which statement does NOT describe a relationship shown in the food web?

• Mountain lions are predators of rabbits

• Owls get energy from mice and crickets

• elk feed on trees and shrubs

• rabbits eat grass and are parasites of shrubs

Tags

NGSS.MS-LS2-2

Where would a herd of buffalo be placed on the diagram?

• Individual

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-2