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- 1what is denitrification?the process by which bacteria convert nitrate into nitrogen gas in the soil.
- 2Define nitrification?the process by which bacteria convert ammonium (NH4+) into nitrate in the soil.
- 3Define nutrients?chemicals needed for life and growth an organisum.
- 4Define Pyramid of energy?A pyramid of energy d=shows the energy available to each trophic level in an ecosystem.
- 5Define Pyramid of biomass?The total mass (usually measured as weight/area) of all organisms in an ecosystem.
- 6Define Pyramid of numbers?A pyramid of numbers shows the aubnduce of each trophic level in terms of numbers of individual organisms.
- 7Define producers?they make energy (sugar) from photosynthesis, e.g plants.
- 8Define consumers?Get their energy by feeding on producers or other consumers e.g animals
- 9Define decomposes?Get their energy by feeding on waste and dead organisms e.g. bacteria and fungi.
- 10Define photo-plankton?Photosynthetic algae found in all aquatic ecosystems.
- 11Define Primary consumers?Consumers that eat plants (producers).
- 12Define Secondary consumers?They eat primary consumers.
- 13Define tertiary consumers?They eat secondary consumers also called top predators.
- 14Define herbivores?Primary consumers that feed on parts of plants (grazing), e.g. cow
- 15Define carnivore?Secondary and tertiary consumers that kill and eat other animals, e.g. human.
- 16define carnivore?consumers that eat both producers and consumers, e.g.. human.
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- Science 10 Life Science Flashcards on Untitled, created by abbeybell.mcausl on 23/09/2013.
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