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Ecology Nathan White

Across
a group of interdependent organisms of different species growing or living together in a specified habitat
the flow of energy through a food chain
physical rather than biological; not derived from living organisms
an animal that feeds on plants
An autotrophic organism capable of producing complex organic compounds from simple inorganic molecules through the process of photosynthesis
an organism that feeds on primary producers
a graphical representation in the form of a pyramid showing the feeding relationship of groups of organisms
Relating to or resulting from living things, especially in their ecological relations
an organism deriving its nutritional requirements from complex organic substances
the regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms
an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide
Down
a division of microorganisms that are related to the bacteria but are capable of photosynthesis
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
an animal that feeds on flesh
a carnivore at the topmost level in a food chain that feeds on other carnivores
a biological community of interacting organisms and their physical environment
an individual animal, plant, or single-celled life form
an animal that feeds on dead organic material
an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material
an animal or person that eats food of both plant and animal origin
a large naturally occurring community of flora and fauna occupying a major habitat