blood system

how blood  travel?

biome

taiga

tundra

deserts

decidius forest

tropical rain forest:

surviving in ecosystem

mutualisim

commensalisim

parasitisim

Cycles

water cycle

carbon cycle

nitrogen cycle

food chain and food web

                                                              Food chain
                                                          
          

                                                     


                                                                     Food web

                                                                 

                                                                  

sumary 2

Ecology the ecology is divide in two parts biotic and abiotic things like this
                           


                                                               Ecology

                                          biotic                                      abiotic

                                              living things                              nonliving things


what means biotic and abiotic?


biotic are the living things in the ecosystem

and abiotic are the nonliving in the ecosystem

summary 1

The summary 1 is about the energy

some alternative source of energy are:wind,temerature,water,solid,ETC.


what means geathermal energy?
geothermal energy means earths internal energy

and biomass what means?

bio mean light
and mass mean amount of mass in an object