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science flash cards.
science flash cards
| Question | Answer |
|---|---|
| what is the importance of photosynthesis? | photosynthesis produces food |
| what percent of oxygen entering the atmosphere is a result of photosynthesis? | 90% of oxygen entering the atmosphere is a result of photosynthesis |
| what happens BEFORE aerobic respiration starts? | glucose molecules are broken down into two smaller molecules(this happens in the cytoplasm |
| what is the importance of perspiration? | respiration changes food energy into a form al cells can use(the energy drives the life porcesses) |
| photosynthesis combines ______ _______ and _____ by using light energy | photosynthesis combines carbon dioxide and water by using light energy |
| what is the end production of photosynthesis? | the end production of photosynthesis is glucose and oxygen |
| photosynthesis occurs only in cells that contain what? | photosynthesis occurs only in cells that contain chlorophyll |
| aerobic respiration combines ______ and ____ to release the energy in the chemical bonds of the food | airobic respiratoin combines oxygen and food to release the energy in the chemical bonds of the food |
| what are producers? | produsers are organisms using outside energy to make energy-rich molecules |
| what are consumers? | consumers obtain energy by eating other organisms |
| what is a food chain? | a food chain is a simple model of the feeding relationships in an ecosystem |
| what is a close relationship between species called? | any close relationship between species is called symbiosis |
| what are lichens made of? | lichens are made of alga or a cyanobacterium that lives in the tissues of a fungus |
| what is a symbiotic relationship in which both species benifit called? | a symbiotic relationship in which both species benifit is called mutualism |
| what is a symbiotic relationship where one organism benifits and the other isnt affected called? | a symbiotic relationship where one organism benifits and the other isnt affected is called comensalism |
| what is a symbiotic relationship where one organism benifits but the other is harmed called | a symbiotic relationship where one organism benifits but the other is harmed is called parasitism |
| what does a niche refer to? | a niche refers to how an orgnaism survies, how it obtains food and shelter, how it finds a mate and cares for its young, and how it avoids danger |
| what do all living things depend on? | all living things depend on plants |
| what do plants make? oxygen/carbon dioxide | plants make oxygen |
| where do plants get energy from? | plants get energy from the sun |
| what do plants make? salt/sugars | plants make sugars |
| what is the food web based on? | the food web is based on the food pyramid |
| what would be a live oak trees role in the food web? | a live oak tree would be a producer in the food web |
| during photosynthesis, what happens? | during photosynthesis light energy is converted into chemical energy |
| what is a carnivor? | a carnivor is a animal who eats other animals |
| what is a omnivore? | an omnivore eats plants and other animals |
| what is a herbivore? | a herbivore is a plant eater |
| what is a predator? | a predator is a consumer who captures and eats other consumers |
| what is a decomposer? | a decomposer consumes waste and dead organisms |
| what is prey? | pre is a consumer captured and eaten by another consumer |
Created by:
h1005238
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