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6 Cards in this Set

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  • Back
What is an example of a marine ecosystem? Stream, ocean, lake or river?
ocean
How much of the earth's water is fresh water?
97%
What is a food web? what is a food chain?
A food web - a diagram that shows who eats what in an ecosystem. a food chain shows how each living thing gets it food.
What is the main function of the circulatory system?
main function is to pump blood so we can breath.
What is the job of the digestive system? name organs within that system.
Change food into nutrients that the body can use and waste. Mouth, tongue, teeth, jaws, small intestines, large intestines, stomach, liver.
Choose one of the ecosystems (biome) that we studied this year. Write a discription of this ecosystem. Give details of its temperature, location, vegetation, animal life etc.
Desert. Climate is hot and dry. Not many plants and animals can survive. At night it cools to very cold temperatures. Most deserts are bare land with sand that stretches for miles. There is a shortage of rain. Most common plant is the cactus. Rattlesnakes, kangaroo rat, kit foxes and jack rabbits live in the desert.