Ecological Relationships Between Species

A feeding relationship where one organism hunts and one is hunted.

• Commensalism (+/0)

• Parasitism (+/-)

• Mutualism (+/+)

• Predator-Prey

This is known as a relationship in which one organism benefits, while the other is unaffected.

• Parasitism (+/-)

• Mutualism (+/+)

• predator/prey

• Commensalism (+/0)

A mosquito feeds off of the blood of different organisms. This usually causes discomfort to the organism and sometimes disease and death. This is an example of:

• Parasitism (+/-)

• Commensalism (+/0)

• Mutualism (+/+)

This is known as a relationship in which both organisms involved benefit.

• Predator-Prey

• Commensalism (+/0)

• Mutualism (+/+)

• Parasitism (+/-)

A feeder fish usually follows behind sharks to pick up food scraps that they leave behind. The fish gets food and the shark is unaffected. This is an example of:

• Mutualism (+/+)

• Commensalism (+/0)

• Parasitism (+/-)

• Predator-Prey

A relationship between two organisms where one benefits, while the other is harmed, is known as what?

• Parasitism (+/-)

• Commensalism (+/0)

• Mutualism (+/+)

Plover birds typically eat parasites trapped inside of crocodiles' mouths. The plover receives a meal, while the crocodile is rid of parasites. What type of relationship does this represent?

• Mutualism (+/+)

• Predator/Prey

• Competition

• Commensalism (+/0)

• Parasitism (+/-)

Lions typically fight to the death for territory, mates, and food sources. Lions are most likely fighting due to:

• Commensalism (+/0)

• Mutualism (+/+)

• Competition

• Parasitism (+/-)

Cordyceps are a type of a fungi that hijack insects muscular and nervous systems, eventually leading to the death of the insect. What type of relationship is this?

• Commensalism (+/0)

• Predator/Prey

• Parasitism (+/-)

• Mutualism (+/+)

As a leopard is searching for prey, a lion stalks and slowly approaches it. This could be considered what type of relationship between the lion and leopard?

• Parasitism (+/-)

• Predator/Prey

• Mutualism (+/+)

• Commensalism (+/0)