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Honors Week 11

Week 11: Ecology

QuestionAnswer
nonvascular plant plant that lacks vascular tissue consisting of tubes and associated cells, which transport water and nutrients throughout the plant; lacking xylem and phloem
placental provides for the nourishment of the fetus and the elimination of its waste products.
carbon cycle processes, including photosynthesis, decomposition, and respiration, by which carbon as a component of various compounds cycles
carnivore An animal that only eats meat.
carrying capacity In ecology, the number of individuals of a particular species that a region can sustain indefinitely
commensalism Symbiotic relationship between two organisms. when one organism benefits and one is unaffected.
competition Two or more organisms competing for a resource
consumers Those organisms that cannot produce their own food
decomposers An organism that gets energy from breaking down dead organisms or wastes
development progression from a simpler or lower to a more advanced, mature, or complex form or stage
energy pyramid A model to show the flow of energy through the food chain. Less energy is available at each level as you move toward the top.
energy transfer flows from sun to autotrophs, and later transferred to organisms, which feed on autotrophs and become prey for tertiary consumers.
food chain Feeding relationship that’s transfers energy through a community. Producers to herbivores to carnivores.
food web Food chains that overlap. More stable than a food chain
herbivore Organisms that eat only producers (green plants)
heterotroph An organism that cannot synthesize its own food and is dependent on complex organic substances for nutrition.
limiting factors restrict the growth of a population
nutrition the process by which organisms take in and utilize food material.
Created by: nbctbio