Carnivorous (meat-eating) animals that feed on secondary consumers.
Types of cloth or woven fabrics.
Species which are likely to become endangered within the next 25 years,
if nothing is done to improve their situation.
Electricity produced using the movement of the oceanís waves and tides
A silvery-white metal which is used to line steel cans, to protect the
contents and prevent rusting.
The top layer of soil, which contains most of the available nutrients.
A material that is poisonous, and a risk to human health and the environment.
The process by which water vapor is lost to the atmosphere from the
leaves of plants and through humans and other animals breathing.
A hard steel-grey metal that is often used to make electric light filaments.
Within a town or city.