third 9

producer

producer

An organism that produces its own food/energy using photosynthesis 

symbiotic relationship

A close relationship between two species in which at least one species benefits. 

zooxanthellae

A golden brown algae that lives symbiotically inside the tissue of another organism

food chain

A diagram which shows the flow of energy through organisms in an ecosystem. 

calcium carbonate

A chemical compound which makes up the solid exoskeleton of coral

convection

Heat transfer causes by movement of particles from one place to another.

photosynthesis

The process green plants use carbon dioxide and water, in the presence of sunlight, to make glucose and oxygen

apex predator

A predator who has no natural enemies in its ecosystem; nothing else is acting as a predator towards it 

density

The mass to volume ratio of a substance - how much matter can be packed into a certain volume.