Question | Answer |
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. |