Animals, unlike plants, must find an outside source of food.

Plants split water into oxygen and hydrogen.

Glucose molecules have to be present during cellular respiration.
Additional Facts: 
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​a salt or an organic compound of nitric acid


​the complex chemical that changes nitrogen to ammonia




​nitrates


​nitrogenase
knob-like growths of
bacteria found on the roots of beans and peas



​nodules
the food-making process where the chlorophyll in green plants converts the light from the sun into chemical energy​



​the substance that gives green plants their green color


​photosynthesis

chlorophyll​

​gas that makes up about 80 percent of the earth's atmosphere


nitrogren​


sugar that is produced in plants as a result of photosynthesis


ch​emical reactions where energy is released from glucose particles in cells



​glucose

cellular respiration​


​the transporting system that carries water and nutrients from the roots to other parts of the plant




​xylem

the transporting system that carries sugar from the leaves down to other parts of the plant


​phloem
membrane sacs in plants as a result of photosynthesis​



​chloroplasts



Science:  The Cycle of Life - Flashcards
Use the flashcards to help you memorize the following terms and definitions. Then try the worksheets shown on the Science Homepage. Once you are ready to quiz yourself, click the Quiz link.