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science 2
| Question | Answer |
|---|---|
| relating to water | Aquatic |
| relating to the land | Terrestrial |
| The ability to do work. In an ecosystem, the ultimate source of energy is the sun. | Energy |
| each energy level in a food chain or food web | Trophic levels |
| an organism that makes its own food from photosynthesis (plants, algae, plankton, etc.) | Producer |
| process by which producers use the sun's energy to convert water and carbon dioxide into sugars | Photosynthesis |
| the total mass of living matter in a given unit area which can be converted to energy | Biomass |
| organisms that make their own food (producers) | Autotrophs |
| Organisms that eat living producers and/or other consumers for food (Heterotrophs) | Consumers |
| consumers, they rely on other organisms for their energy and food supply (consumers) | Heterotrophs |
| an organism that eats only plants (primary consumers) | Herbivores |
| animals that feed on producers; ex. herbivores | Primary Consumers |
| an organism that eats primary consumers | Secondary Consumers |
| Animals that eat secondary consumers. | Third Level Consumer |
| organism that obtains energy by eating animals | Carnivore |
| an organism that eats both plants and animals | Omnivores |
| Organisms that break down the dead remains of other organisms such as bacteria and fungi | Decomposers |
| wastes and remains of dead organisms | Detritus |
| simple model that shows how matter and energy move through an ecosystem through feeding relationships | Food Chain |
| a diagram that shows ALL of the feeding relationships between organisms in an ecosystem | Food Web |
| The reactants of Photosynthesis | CO2 + H2O |
| The products of Photosynthesis | C6 H12 O6 |
| Plants need this for Photosynthesis | Carbon Dioxide |
| Plants produce this in Photosynthesis | Sugar |