group5

 =__Group 5__=

**//__Ecosystems__//**
Aquarium Matarial- If you want to make matarial you need cup of gravel, 10 to 15 duckweed, 4 cup of water, 3 dropes of a;gae, and 1 or 2 spring of elodeo.

Aquarium Notes -,  1.Use part A for your aquaruim 2. Put one cup of gravel in your Aquaruim.3. Use the empty gravel cup to pour and measrue water in your aquaruim.4.Fill your aquaruim with water until it reaches 4 or 3 cm from the top. 5. record the amount of gravel and water in your notebook.6. Add the water plants and record about the plant in your notebook. Terruaruim Notes-,  needed for our was 1 bottel part T,1 bottle cap,3 plastic cupsful of soil,1 piece of fiber screen,1 rubber band,1 spoon,1 cup of water,1 dropper,1 cup of gravel,1 small cup of each seed grass alfalfa and musterd,2 tootpicks,1 hand lens,1 marker,leaf matter:nature.

(Facts about ecosystem)Some plants have bright colors and unusual shapes. Water plants are beautiful to look at. Resprotain helpes organisms get engery.Thousands of Algae live in every wet enviorment you can think of. Duckweed is good food for waterfowls. We could never observe one frond of duckweed.

__1)What is an ecosystem?__ An ecosystem is a natural unit consisting of all plants, animals and in an area functioning together with all of the non-living physical. An ecosystem is a completely independent unit of interdependent organisms which share the same habitat. Ecosystems usually form a number of food webs which show the interdependence of the organisms within the ecosystem. Living things in a paticular area and parts that affect them. A relationship and thier surroundings. __2)How are living and non-living things connected to one another?__ Nonliving thing coulld brake ecosystem and all of animal and plant help each other to survive and grow. For example, when sproute come out butterfly and eat sproute and mabie other bigger animal than butterfly eat butterfly. < Something like bird.> Bird get eaten by something like cat or other thing and cat die for some reason and the cat become soil for the ground or flower. The cycle. First the sun gives energy to the plants,next a mouse eats the plant,then the cat eats the mouse, then the dog eats the cat, and then the dog dies and gives norishmaent to the soil. __3) How does the use of its resources affect an ecosystem?__ Cutting trees and boldosing wet wet land, damming river and getting electricity. cutting down trees, bulldozers daming rivers, using water from the water system, and killing animals. __4) How are resources used by different groups?__ Tree gives use oxegine. From ecosystem or nature place we get food to eat, madicine and wet lands cleans water.. Ecosystem also gives us matarial to use in our life.

__5) How can our choices affect ecosystems?__ Our choice to rycle paper can save cutting down tree. If you know this 3 words you could save ecoystems. < Protect, conserve, mange.>

__6) Why do some people think it is important to protect ecosystems?__ Because animal that lives in ecosystem eat or destroy unuseful stuff but if that animal dies, there will be to many animal and that animal will eat other animal and ecosystem will brake.