Relationship in the Ecosystem

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

• competition

• predation

• commensalism

• parasitism

A living relationship between two species in which one organism is harmed is called...

• mutualism

• commensalism

• parasitism

• niche

symbiotic relationship in which one organisms benefits and the other organism is not affected

• invasive (non-native) species

• mutualism

• parasitism

• commensalism

symbiotic relationship in which both organisms benefit

• competition

• Mutualism

• nitrogen fixation

• energy pyramid

Tags

NGSS.MS-LS2-2

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?

• Mutualism

• Parasitism

• Commensalism

• Predatory

Which term best describes two predators living in the same habitat who feed on the same prey?

• coexistence

• competition

• mutualism

• predatory

Plants are interacting directly with another living element of their environment when they are -

• Soaking up water

• Absorbing sunlight

• Attracting insects

• Taking in carbon dioxide

What the non-living factor that is the most important to an ecosystem to work?

• Water

• The sun's energy

• Plants

• animals

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A boxer crab carries a pair of small anemones in its claws. When approached by a predator, the crab waves the stinging tentacles of the anemones to deter the predator. The anemones eat the small particles of food dropped by the crab when it is feeding.

• Predation

• Parasitism

• Commensalism

• Mutualism

Tags

NGSS.MS-LS2-2

Which symbiotic relationship is when one organism benefits and the other is not impacted (positively or negatively)?

• Parasitism

• Commensalism

• Mutualism

• Predation