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The Biosphere - Ch 3.1 - 3.3

Horizontales
Organism that makes its own food
Another name for heterotroph
Total amount of living tissue within a given trophic level
Organism that eats only meat
Organism that eats plants
Group of similar ecosystems that share similar climates and organisms
Network of food chains (2 words, no spaces)
A mix of different populations that live together in a defined area
Process used by autotrophs to make their own food
Scientific study of interactions among organisms and between organisms and their environment
Organism that cannot make its own food
Organism that feeds by breaking down organic matter
Physical, non-living factors of an ecosystem
Another name for autotroph
Verticales
Organism that eats plants and animals
Consumes the carcasses of other animals
Living factors in an environment with which organisms might interact
Group of individuals that belong to same species and live in same area
All organisms that live in a place, together with their physical environment
All parts of Earth in which life exists
Organisms need this for growty, reproduction, and metabolism
Each step in food web (2 words, no spaces)
Main source of energy for life on Earth
A group of organisms that can breed and produce fertile offspring