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Matter/Energy in Eco
Matter Flow in Ecosystems
Term | Definition |
---|---|
ecosystem | all living and nonliving things in an area that interact with each other |
biodiversity | the many different types of organisms that live in an environment |
producer | organism that makes its own food through photosynthesis |
consumer | an organism that must eat other living things to survive |
predator | an animal that hunts and eats other animals |
prey | an animal that is hunted and eaten by other animals |
food chain | a model that shows how energy flows through a set of feeding relationships |
food web | a model that show many different feeding relationships that pass energy in a single environment |
limiting factors | anything that controls the growth or survival of a population |
Sun | main source of energy in all ecosystems |
decomposers | organisms that break down dead plants or animals and return nutrients into the ecosystem |
plant needs | water, sunlight, air (carbon dioxide) |
animal needs | food, water, shelter, oxygen |
energy | the ability to do work or cause change; comes from the sun, passed through ecosystems by feeding relationships |
cycle | process that repeats |
decomposition | to break down into simple nutrients |
recycle | to create new materials from used materials |
biotic | living things-plants, animals, fungi, bacteria, protists |
abiotic | non-living things; climate, soil, rocks, temperature, precipitation |
glucose, starch or fat | energy storage molecule |