Hi,
The answer should be ‘concentration’.
Answer:
Geographic distribution of species
Split into historical and ecological biogeography
1) Species has a definite site or region of origin
2) Achieves a broader distribution by dispersal
3) Becomes modified and gives rise to descendent species
1) Similarities and differences of species in various regions can't be accounted for by climate conditions
2) Barriers are related to the differences between organisms in various regions
3) Inhabitants of the same area are related but the species differ place to place
Explanation:
Cell membrane pinches together in the middle. Cytoplasm and organelles are divide.
Electroosmotic is a Physical Chemistry it is the motion of a liquid through a membrane under the influence of an applied electric field. Electroosmotic flow is most significant when in small channels. Electroosmotic flow is an essential component in chemical separation techniques, notably capillary electrophoresis.