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ECOSYSTEMS

Horizontales
A model that shows the amount of energy available in each link of a food chain.
All the nonliving and living parts of the environment in a given area
Natural resources that used up faster than they can be replaced by natural processes.
A close, long-term relationship between two species that usually involves an exchange of food or energy
The exhaustion of one or more resources in an area.
A model of energy transfer that can show how the food chains in a community are interconnected
Organisms that cannot make their own food
All the populations living in an area at the same time
Verticales
The way a species interacts with abiotic and biotic factors to obtain food, find shelter, and fulfill other needs
Resources that can be replenished by natural processes at least as quickly as they are used.
Consume the bodies of dead organisms and wastes produced by living organisms.
The number of individual organisms of the same species that live in an ecosystem at the same time
The largest number of individuals of one species that an ecosystem can support over time.
The area within an ecosystem that provides the biotic and abiotic factors an organism needs to survive and reproduce
The act of one organism, the predator, feeding on another organism, its prey
Organisms that use an outside energy source, such as the Sun, and produce their own food.