The process in which the earth is worn away by the action of water, glaciers, winds, waves, etc.
In a food web, the effect that a change in the size of one population in the web has on the populations below it.
Trophic Cascade
The natural home or environment of an animal, plant, or other organism
A system, or a group of interconnected elements, formed by the interaction of a community of organisms with their enviroment.
A animal that only eats plants.
A animal that only eats meat.
A animal that eats both meat and plants.
The variety of life in the world or in a particular habitat or ecosystem.
Pertaining to life.
Of or characterized by the absence of life or living organisms.
A plant, fungus, or animal species that is not native to a specific location, and which has a tendency to spread to a degree believed to cause damage to the environment, human economy or human health.
Invasive Species
An organism, as a plant, that is able to produce it's own food from inorganic substances.
An organism, usually an animal, that feeds on plants or other animals.
An organism, usually a bacterium or fungus that breaks down the cells of dead plants and animals into simpler substances.
The use of land for growing one type of crop.
The action or process of classifying something according to shared qualities or characteristics.
Classification System
A group of interdependent organisms of different species growing or living together in a specified habitat.
Natural Community
The way in which each of two or more things is related to the other or others.
An animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
An animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc. The invertebrates constitute an artificial division of the animal kingdom.
No longer in existence; that has ended or died out.
The state or quality of being stable; Balanced.
A distinguishing feature or quality.
A form of life composed of mutually interdependent parts that maintain various vital processes
Gives birth to live young and not laying eggs.
Any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an enlonged body covered with scales.
A tree that bears cones and evergreen needlelike or scalelike leaves. They are of major importance as the source of softwood, and also supply resins and turpentine.
Shredding the leaves annually, as certain trees and shrubs.
A flowerless plant that has feathery or leafy fronds and reproduces by spores released from the undersides of the fronds.
A plant that produces flowers, fruit and seeds; angiosperm
Flowering Plant

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