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Page 423 Words

Across
A diagram that compares other trophic levels
Large community of plants and animals in one region
Organisms that get their energy from eating other living things
A sequence that links species by their feeding relationships
Consumers are also called
Living or nonliving parts of an excosystem
A measure of the total dry mass of organisms in a given area
Organisms that only eat plants
Levels of nourishment in the food chain
Study of living things and their surroundings
Producers are also called this
Detritivores that break down organic matter into simpler compounds
Physical rather than biological
Consumers that have a varying diet
A process by which an organism forms carbohydrates by chemicals
Down
Circular pathway of water on Earth from the atmosphere
Organisms that only eat animals
Species that has an unusual large effect on it's ecosystem
Resulting form living things
Organisms that eat both plants and animals
The process by which Nitrogen in the Earth's atmosphere is converted into ammonia.
Variety of life in the world
Organisms that eat dead organic matter
Biological community of interacting organisms
Group of people living in the same place
A consumer that primarily eats one specific organism
Organisms that get their energy from nonliving organisms
Model that shows the complex network of feeding relationships