Physical and behavioural changes over time to fit new environments or conditions.
Many different types of plants and animals.
River made up of interconnecting channels that divide and then come back together.
The entire area from which drainage water is received by a body of water such as a river or swamp.
A community of organisms together with the environment that they inhabit and depend on.
Plants and animals that live only in New Zealand.
Lasting for only a short period of time.
Substance added to soil to increase its ability to support plant growth.
An arrangement of organisms in a community according to which organism is eaten or eats another. Food chains always start with a plant (or plants).
A system of food chains linked to one another.
Water found beneath the surface of the land.
Living place of plant or animal.
Lying between mountains.
Any animal that does not have a spinal cord at any stage of its life such as worms, insects, spiders, crustaceans and molluscs.
Bowl-shaped hollow in the loose rocks that have been left by a melting glacier.
A seasonal journey from one region to another.
How an organism makes a living. It describes things such as an organism's life history, its habitat, its position in a food chain and food web and its geographic range. No two species can occupy the same niche in the same environment for a long time.
Elements or compounds essential as raw materials to sustain life.
Accumulation of partially decomposed remains of plants and animals.
The presence of unwanted matter or energy (heat, noise, etc.) that have harmful effects on living or non-living matter.
Situated or taking place along or near the bank of a river.
Material, originally suspended in a liquid, that settles at the bottom of the liquid when it is left standing for a long time.
Material eroded from rocks that is transported by water, wind, or ice and deposited elsewhere.
Using natural resources without destroying the ecological balance of an area.
Small mountain lake.