Summary # 3 / Food webs and Food Chains

This theme is about Food chains and Food webs;the food chains are the path of energy in food from one organism to another.A food chain does more than show who eats whom.Eating is how an animal gets energy.The food chain starts with the Sun,then with the predator,then with the prey and Finally with the scavenger.A food web is a model that shows all the possible feeding relationships between organisms living in an ecosystem.

                                                                         Food chain

                                                              

Summary # 2 / Biotic Things and their Environment :)

Biotic Things and their environment

This theme was about the ecosystem the ecosystem is form from biotic and abiotic things.In the biotic group we can find animals,plants,fungi,protist,bacteria.In abiotic we can find rocks,water,temperature,minerals,soil,wind,etc.In an ecosystem we can find populations or communities.The ecosystem have habitats for the organisms living there.The habitat give the plant or animal with food and shelter and changes them to produce and bring up their young in safety.



Summary # 1 / Energy Resources :)

Energy Resources

There are alternative energy resources that are sources of energy other than the burning of a fossil fuel.Fossil fuel is an energy resource that pollutes the planet,there are another kinds of energy resources that don't pollute our planet that are: Water energy,Wind energy,Geothermal energy and Solar energy.The other alternative energy that can be used is the biomass that is plant animal or matter waste that can be use as a source of energy.Examples:Modern water wheels use water energy,Harnessing the wind use wind energy,Earth's furnace use geothermal energy.