G5-revision 2

The struggle for resources among organisms in an ecosystem is called..............

• habitat

• commensalism

• competition

• symbiosis

Any resource that restricts the growth of populations in an ecosystem is............

• community

• symbiosis

• limiting factor

• carrying capacity

The size of the population that an area can support is its.............................

• parasitism

• symbiosis

• limiting factor

• carrying capacity

An organism’s ....................................is the place in which it lives and hunts for food.

• parasitism

• symbiosis

• mutualism

• habitat

The specific role that an organism plays within a community is that organism’s.....................

• community

• niche

• limiting factor

• carrying capacity

The reliance of organisms on one another for survival is known as.....................

• interdependence

• niche

• limiting factor

• carrying capacity

A relationship between organisms that lasts over time is.............................

• predation

• symbiosis

• niche

• habitat

A symbiotic relationship in which both organisms benefit is...................

• mutualism

• commensalism

• parasitism

• predation

The relationship which is formed by a fungus and an alga that live together is called.................................

• mutualism

• commensalism

• parasitism

• predation

A symbiotic relationship in which one organism benefits and the other is not harmed is....................................

• mutualism

• commensalism

• parasitism

• predation