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Ecology Crossword

Across
Growth that occurs when factors such as availability of food, predators, and disease limit the population size
The burning of a substance
The location in which an organism lives
The unique position occupied by a species, how the species lives/survives in a habitat
The replacement of one community by another at a single location over time; particularly when roots and soil are already present
Growth that occurs when there are more births than deaths
A symbiotic relationship where one species benefits and the other is not helped or harmed
One single organism
Relationship in which two species live in close association with each other
A community of organisms plus their enviornment
The variety of organisms in an ecosystem
Down
The replacement of one community by another at a single location over time; particularly when a pioneer species must form a community from bare rock
Water seeps into the soil and becomes groundwater
When plants release water vapor
An organism that must eat another organism for food
An organism that feeds by breaking down dead organisms and returning nutrients to the soil
A group of organisms of the same species living in the same place at the same time
A step in a food chain/food web
Factors (both biotic and abiotic) that affect population size
The largest population that an environment can support at any given time
A symbiotic relationship where both species benefit
A group of different populations
An organism that makes its own food through photosynthesis