Ecosystem Relationships

Front

Some living things depend on each other in a close relationship, which lasts over time. This relationship is called ____________.

Back

symbiosis

Front

A relationship between two species where one organism benefits while the other organism is harmed is called ____________.

Back

parasitism

Front

A wrasse fish feeds on parasites found on the black sea bass. Both fish benefit so this would be an example of ____________.

Back

Mutualism

Front

What is the original source of all energy in most ecosystems on earth? ____________.

Back

sunlight

Front

E. coli is one species of bacteria which live in the human gut. These bacteria help humans break down food so we can absorb important nutrients and minerals. The bacteria benefit from the relationship too because they also receive food in the process. This relationship is best described as ____________.

Back

Mutualism

Front

The relationship where one organism benefits and the other is neither helped nor harmed is called ____________.

Back

commensalism

Front

In an ecosystem, the role of producers is to ____________.

Back

convert sunlight into energy through photosynthesis.

Front

An example of a primary consumer in an ecosystem is ____________.

Back

a rabbit or a deer.

Front

The process by which plants use sunlight to make food is called ____________.

Back

photosynthesis

Front

A relationship where one species hunts and eats another is known as ____________.

Back

predation