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Ecosystems Dynamics

Across
Is an association of populations of two or more different species occupying the same geographical area and in a particular time
Things that organisms need to survive; food, water, climate and disease.
The surroundings or conditions in which a person, animal, or plant lives or operates.
Any organism that exists by preying upon other organisms.
An animal that feeds on plants.
The process by which carbon dioxide, water, and salts are converted into carbohydrates by plants, and bacteria, using energy from the sun and chlorophyll.
The natural environment of an organism; place that is natural for the life and growth of an organism.
The living together of two dissimilar organisms.
Characterized by the absence of life or living organisms.
An animal or person that eats food of both plant and animal origin.
Down
An organism, usually an animal, that feeds on plants or other animals.
Organisms having some common characteristics or qualities.
A group of interconnected elements, formed by the interaction of a community of organisms with their environment.
A form of life; plant or animal.
A relationship between two species of a plant, animal, fungus, etc., in which one lives with, on, or in another without damage to either.
A relation between organisms in which one lives as a parasite on another.
The envelope of gases surrounding the earth or another plant.
Organisms that can make their own energy through biochemical processes.
A relationship between two species of organisms in which both benefit from the association.
Pertaining to life.