Ecology Unit Test

Barnacles sometimes live on the outside surface of other larger shelled organisms without causing any harm. What is the ecological relationship?

• Mutualism
• Parasitism
• Commensalism

Ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. What is the ecological relationship?

• Parasitism
• Commensalism
• Mutualism

The animal in an ecological relationship that results in another animal being hunted, killed, and eaten…

• predator

• herbivore

• producer

An ecological symbiotic relationship that is helpful to both organisms.

• commensalism
• mutualism
• parasitism

An ecological symbiotic relationship between two organisms where one benefits and the other is harmed.

• parasitism

• mutualism

• commensalism

The job or role of a specific organism within its habitat.

• producer

• niche

• photosynthesis

An ecological symbiotic relationship between two organisms where one benefits, but the other is not helped or harmed.

• mutualsim

• commensalism

• parasitism

This is transferred between organisms in a food chain and is represented by arrows.

• niche

• energy

• food web

The band above and below the surface of the earth where life can be found.

• atmosphere

• habitat

• biosphere

The term used to describe ALL of the populations of ALL the species of living organisms within a particular habitat.

• community

• habitat

• ecosystem