BIOL 1120 Lecture Notes - Lecture 24: Eutrophication, Garter Snake, Water Cycle
Document Summary
_____________ (primary or secondary consumer) eat a variety of organisms: _____________ (scavengers) feed on partly decomposed particles of organic matter (detritus). ___________________ a: vultures, ravens and crows, hyenas b, earthworms, fly maggots, beetles. ________________________________: food chains and food webs, ____________ are a simple linear sequence of who eats whom, ___________ are interconnected food chains in which the same food resource is often part of more than one food chain. Energy flow through an ecosystem: trophic levels (fig. A __________________ makes provision for differences in size of organisms by using the weight of. D: ddt, which was an effective chemical to kill mosquitoes, accumulates in fatty tissues and results in. __________________ and unexpected non-target effects: even though ddt has been banned since the 1970s, the chemical is very persistent in certain sections of the environment, namely sediments. Nutrient cycles: __________________ (a. k. a. water cycle) (fig.
