Passive transport permits the transported molecule to move in either direction, but the majority of transport occurs down the concentration gradient of the molecule.
I truly hope I could help! good luck :)
The continental crust is made mostly of rocks. Both oceanic crust and continental crust are less dense than the mantle, but oceanic crust is denser than continental crust. The mantle, oceanic crust and continental crust have different densities because they are made of different kinds of rock with different densities.<span> the oceanic crust is made mostly of rocks with a composition of basalt.</span>
Archaebacteria = 10,000/20 = 500 species
Eubacteria = 10,000/1 = 10,000 species
Do the rest the same way, since you've got the graph right in front of you.
Tapeworm............"....
