Competition is a powerful form of interaction in the organization of communities, but it differs from other forms of antagonistic and mutualistic relationships in that no species benefits from the interaction. In competitive interactions, species evolve either to avoid each other, to tolerate the presence of the other, or to aggressively exclude the other.
Transfer-of-energy-through-an-ecosystemFigure 2: Transfer of energy through an ecosystem. At each trophic level only a small proportion of …[Credits : Encyclopædia Britannica, Inc.]
Generalized-aquatic-food-webFigure 1: Generalized aquatic food web. Parasites, among the most diverse species in the food web, …[Credits : Encyclopædia Britannica, Inc.]
Male-resplendent-quetzal-or-resplendent-trogonMale resplendent quetzal, or resplendent trogon (Pharomachrus mocinno).[Credits : Michael & Patricia Fogden]
Parasitoids-which-parasitize-other-arthropods-by-depositing-eggs-in-theFigure 2: Parasitoids, which parasitize other arthropods by depositing eggs in the pupae, larvae, …[Credits : Encyclopædia Britannica, Inc.]
DOrbignys-round-eared-bat-capturing-a-katydid-in-flightD’Orbigny’s round-eared bat (Tonatia silvicola) capturing a katydid in flight.[Credits : © Merlin D. Tuttle, Bat Conservation International—Photo Researchers, Inc.]
Silky-anteater-extending-its-long-narrow-tongue-which-it-usesSilky anteater (Cyclopes didactylus) extending its long, narrow tongue, which it uses to …[Credits : Gunter Ziesler/Bruce Coleman Ltd.]
Coevolution-between-the-yucca-moth-and-the-yucca-plantCoevolution between the yucca moth and the yucca plant. (Top) A female yucca moth …[Credits : Photographs, © Robert and Linda Mitchell]Coevolution between the yucca moth and the yucca plant. (Top) A female yucca moth …[Credits : Photographs, © Robert and Linda Mitchell]
Coevolution-of-one-species-with-many-speciesCoevolution of one species with many species. (Top) European cuckoo (Cuculus canorus) …[Credits : John Markham/Bruce Coleman Ltd.]Coevolution of one species with many species. (Top) European cuckoo (Cuculus canorus) …[Credits : John Markham/Bruce Coleman Ltd.]
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