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


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