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Interactions within Ecosystems

Across
Relationship between species involving an exchange of food or energy
The specific role of a species in an ecosystem; how it interacts with abiotic and biotic factors
Resources that have a limited amount and can run out
Nonliving parts of an ecosystem
Organisms that produce their own food
Model that shows the amount of energy available in each link of a food chain
Resources that can be replaced by natural processes
All the populations living in an ecosystem at the same time
Act of an organism feeding on another organism
Down
Model of energy transfer that show how food chains are connected
Living or once-living parts of an ecosystem
Organisms that must consume their food
Organisms that consume dead organisms and waste products
All the organisms of the same species that live in the same area at the same time
Place within an ecosystem that provides the biotic and abiotic factors an organism needs