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5th Grade Ecosystems

QuestionAnswer
ecology science concerned with the relationship of living things to each other and to their natural environment
ecosystem An interconnected community of organisms interacting with and depending on one another and the physical environment
environment everything that surrounds an organism and influences it
food chain a graphic which traces energy flow in an ecosystem; for example: sun>;water plants>;fish>;raccoon
model A small-scale version of a system that shows how the system works.
organism a living thing
adaptation a change in order to fit a new situation or use
biodiversity a wide variety of organisms
carnivore a consumer which gets its energy by eating only meat/animal flesh
consumer An organism that gets energy from eating other organisms.
fertile rich in nutrients
forest An area of land densely populated with trees.
germination process by which seeds swell up and begin to sprout and develop roots
grassland A large
herbivore a consumer which gets its energy by eating only plants and vegetation
omnivore a consumer which gets its energy by eating both plants and meat/animal flesh
producer an organism that can make its own food through the process of photosynthesis
terrarium a closed glass or plastic container where terrestrial (land) organisms can live and be observed
terrestrial Having to do with land or the Earth.
aquatic Having to do with water.
decomposer An organism that gets its energy from breaking down decaying organic material. The role of decomposers is the recycling of nutrients throughout the ecosystem.
photosynthesis The process by which plants use carbon dioxide and sunlight to create sugar for themselves for food
producer Any organism that makes its own food from the sun's light using photosynthesis.
radiation A way that heat energy can travel. Radiation occurs when heat energy leaves its source and travels through water or air to reach its destination.
consumer An organism that gets energy from eating other organisms.
decomposer An organism that gets energy from breaking down decaying organic material. Decomposers are responsible for recycling nutrients in an ecosystem.
food chain The way energy flows in a straight line as it passes from one organism to another.
niche The specific role an organism plays within its ecosystem.
symbiosis A close, prolonged relationship between two organisms of different species that may benefit the organism, but may not
niche An organism's specific role within an ecosystem that it has adapted to in order to survive.
symbiosis A close, prolonged relationship between two different species where one or both species may be helped to survive by the other.
pollutant A substance which when introduced into an ecosystem has a negative effect on the organisms living within.
control The variable in an experiment which is kept the same to ensure accuracy.
Fair Test An experiment where only one thing is changed
variable The element of an experiment that is changed or tested.
Created by: mam0615