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Ecological Principles Vocabulary Review

Across
sum of the surfaces, atmosphere and hydrosphere of the earth which is occupied by living organisms
assemblage of different populations of flora and fauna species in an area
plants found in an area
any part of the earth suitable to support a species permanently or temporarily for migratory species
omnivores which consume plants and animals; carnivores which consume only animals
animals found in an area
process by which ecosystems advance toward a climax community through development of stages over time
organisms which obtain food and energy through the consumption of other organisms
non-living factors
linear representation which shows the flow of energy from one organism to another
exchange or conversion of nutrients from one form to another through biological and chemical processes
large, naturally occurring ecological levels occupying a major habitat; include aquatic, forest, grassland and wetland
smaller community where biotic and abiotic elements interact within a biome
Down
chemical substance required by an organism for growth, reproduction and maintenance
individual members of a population
organisms which produce food or biomass through the process of photosynthesis
responsibly using and conserving resources in a way that supports long term ecological balance
development of vegetation in a community to a steady state over a period of time
when two species benefit from ecological interaction
effort by humans to manage organism and their environments
study of the relationship between an organism and its environment
any living organism
herbivores which consume only plants
when one species kills another for food
group of organisms of the same species occupying a particular space at the same time
describes how organisms match specific environmental conditions and respond to distribution of resources and competitors