Erstellt von abbeybell.mcausl
vor etwa 11 Jahre
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Frage | Antworten |
what is denitrification? | the process by which bacteria convert nitrate into nitrogen gas in the soil. |
Define nitrification? | the process by which bacteria convert ammonium (NH4+) into nitrate in the soil. |
Define nutrients? | chemicals needed for life and growth an organisum. |
Define Pyramid of energy? | A pyramid of energy d=shows the energy available to each trophic level in an ecosystem. |
Define Pyramid of biomass? | The total mass (usually measured as weight/area) of all organisms in an ecosystem. |
Define Pyramid of numbers? | A pyramid of numbers shows the aubnduce of each trophic level in terms of numbers of individual organisms. |
Define producers? | they make energy (sugar) from photosynthesis, e.g plants. |
Define consumers? | Get their energy by feeding on producers or other consumers e.g animals |
Define decomposes? | Get their energy by feeding on waste and dead organisms e.g. bacteria and fungi. |
Define photo-plankton? | Photosynthetic algae found in all aquatic ecosystems. |
Define Primary consumers? | Consumers that eat plants (producers). |
Define Secondary consumers? | They eat primary consumers. |
Define tertiary consumers? | They eat secondary consumers also called top predators. |
Define herbivores? | Primary consumers that feed on parts of plants (grazing), e.g. cow |
Define carnivore? | Secondary and tertiary consumers that kill and eat other animals, e.g. human. |
define carnivore? | consumers that eat both producers and consumers, e.g.. human. |
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