Summary #3

Food Web and Food Chain
Food Web and food webs are representations of the predator-prey relationships between species within an ecosystem or habitat
Food Chain
They are called producers because only they can manufacture food from inorganic raw materials.
This food feeds herbivores, called primary consumers.
Carnivores that feed on herbivores are called secondary consumers.
Carnivores that feed on other carnivores are tertiary (or higher) consumers

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Summary #2

Living thing in a enviorment a anbiotec factor is all living thing in a enviorment like animal fungi plants protist and bacteria

Summary #1

We know that exist four types of energy sources:geothermal energy, solar enegy, water energy and wind enegy, but the most useful in our life is the fossil fuel and the fossil fuel come from petroleum