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Ecology Vocab Crossword

Bonus on the back!
Across
Is the number of organisms of the same species that live in a particular geographic area at the same time, with the capability of interbreeding.
A biological community of interacting organisms and their physical environment.
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
Something that only eats plants.
A nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it
An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
The total mass of organisms in a given area or volume.
Each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.
The synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.
Down
An organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
A living thing, as an animal or plant, that influences or affects an ecosystem
Something that eats both meat and plants.
The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
An interacting group of various species in a common location.
An animal which feeds on dead organic material, especially plant detritus.
A hierarchical series of organisms each dependent on the next as a source of food.
Something that only eats meat
The variety of life in the world or in a particular habitat or ecosystem.
A system of interlocking and interdependent food chains.
A graphical representation, showing the flow of energy at each trophic level in an ecosystem.