Here is the process greatly simplified:Īnd here is the photosynthesis equation, simplified:ĦCO 2 + 6H 2O + Sunlight yields C 6H 12O 6 + 6O 2 How does energy go from the non-living environment into the living world? One major way is photosynthesis. Order consumers and so on, up to the apex predator (consumers that eat lower order consumers but are not typically eaten by any species but themselves). Consumers are those that eat other organisms:ġst order consumers are herbivores (plant-eaters) 2nd order consumers eat 1st order consumers 3rd order consumers eat 2nd and 1st Decomposers break down the bodies of any kind of organisms. Producers do not consume other animals: in terrestrial ecosystems, theseĪre plants (which "eat" sunlight). Trophic Level: The position an organism occupies of a food chain.Trophic relationships are better displayed as a food web, comprised However, since in nearly every case any species eats more than one type of food, These mark out relationships in aįood chain of organisms that eat the organisms below them. Most important aspects of this in ecology would be: Synecology, also called community ecology: the study of species of organisms interacting in an environment. One very important aspect of autecology is the niche: the particular Other lectures (the diversity, behavior, biomechanics, etc. In general, we deal with issues of paleo-autecology in Autecology: the study of an individual species with relation to its environment.Paleoecology: not surprisingly, the study of the relations and interactions of fossil organisms to each other and to their natural.(NOTE: ecology does not mean the same thing as "environmental activism"!!) Ecology: the study of the relations and interactions of organisms to each other and to their natural environment.BIG QUESTION: What is the fossil record of animal defense?
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