Interactions in Ecosystems

Front

A tick attaches to an animal and feeds on its blood, potentially spreading disease. What type of symbiotic relationship is this?

Back

Parasitism. The tick derives benefit while the dog is harmed.

Front

Increased food supplies in an ecosystem decrease competition because the competing organisms would...

Back

have enough food to eat.

Front

A lion would be considered a ________ of a gazelle.

Back

predator

Front

In Africa, as the crocodile lies with its mouth open, the plover, or crocodile bird, flies into its mouth and feeds on bits of meat stuck in the crocodile’s teeth. The crocodile does not harm the plover. The plover gets a meal and the crocodile gets his teeth cleaned. What conclusions might be drawn regarding the dynamics of this relationship?

Back

It is a mutualistic relationship because both animals benefit; neither animal is harmed.

Front

This is a type of symbiotic relationship where both organisms benefit.

Back

mutualism

Front

The picture is an example of ___________ between the wolves.

Back

competition

Front

A bear catching and eating a salmon from a river is an example of...

Back

predation

Front

A clownfish lives in an anemone. The anemone protects the clownfish by shocking the clownfish's predators. The clownfish protects the anemone from predators that may want to snack on the anemone. What is this relationship an example of?

Back

mutualism

Front

The relationship between birds that eat insects stirred up by grazing cattle and the cattle is an example of...

Back

commensalism

Front

What kind of symbiotic relationship do bees and flowers have when bees gather nectar and spread pollen?

Back

Mutualism; the bees get nectar and the flowers get to reproduce.