An inherited characteristic that helps organisms survive?

The gas that humans exhale.

The living things in an ecosystem.

The three R's

When two species live closely together in a relationship that lasts over time.

The interactions between living and non-living things in a particular environment?

The process when a liquid turns to a gas.

The name of an organisms that uses the Sun's energy to make its own food?

The gradual process by which some species replace other species in an ecosystem.

The relationship when one organism benefits and the other is harmed.

Resources of nature are renewed as quickly as they are used.

The two processes that return water to Earth in the water cycle.

Herbivores eat these types of organisms.

An organisms that is not native or natural to an area?

The name of the organism that harms another organism in a symbiotic relationship.

Role an organism has in an ecosystem?

The two processes move water up into the atmosphere?

The name of the organisms that breaks grows on dead or waste material and recycles nutrients back into the ecosystem?

The type of organisms that can help us monitor the health of an ecosystem?

The relationship when neither partner gains or loses from the relationship.

The process in which water that is taken in through a plant's roots evaporates from the plant's leaves, stem, and flowers.

This occurs when pollutants such as the burning of fossil fuels mix with water vapour.

The model that shows the number of individual organisms at each level of a food chain.

The different types of environmental monitoring.

The three types of symbiosis.