Ecological Interactions

A type of symbiosis in which both species benefit.

• mutualism

• commensalism

• parasitism

• predation

• competition

The hyenas and lions are attempting to eat the same prey species. What type of competition is this showing?

• Interspecific competition

• Intraspecific competition

Mistletoe grows on spruce trees and takes the trees' nutrients. What type of relationship does mistletoe have with the spruce tree?

• Mutualism

• Commensalism

• Interspecific Competitive

• Parasitism

A hawk uses the crown of an oak tree to nest. What type of relationship does the hawk have with the oak?

• predation

• commensalism

• mutualism

• competition

A leaf-cutter bee pollinates a coneflower while collecting food for its larva. What type of relationship does the bee have with the coneflower?

• predation

• commensalism

• mutualism

• competition

Dolphin uses echo-location to capture fish for food. What type of relationship does the dolphin have with the fish?

• predation

• commensalism

• mutualism

• competition

Tags

NGSS.MS-LS2-3

Younger trees reaching for limited sunlight in a rain forest canopy. What type of relationship do the younger trees have with each other?

• predation

• commensalism

• mutualism

• competition

Lions and leopards are large predator animals that live in the same area. Lions take mostly large game, while leopards take smaller game so they avoid direct competition. What is this called?

• competitive exclusion

• predator-prey

• resource partitioning

• mutualism

What is a biotic factor?

• Living parts of the ecosystem.

• Non-living parts of the ecosystem.

Which option is biotic?

• Plants
• Air
• Water
• Energy