Answer is, This voltage is called the resting membrane potential; it is caused by differences in the concentrations of ions inside and outside the cell. If the membrane were equally permeable to all ions, each type of ion would flow across the membrane and the system would reach equilibrium.
Answer:
1. CLIMATE CHANGES............easing temperatures have altered migration patterns of humpback whales.
2. NATURAL DISASTERS...........the eruption of mount saint Helens destroyed some populations of conifers.
3. HUMAN EXPLOITATION..........African forest elephants have been hunted to near extinction levels to obtain ivory.
4. DISEASES.........An infection with a fungus reduced population of north American elm trees.........
I HOPE THIS ANSWER WAS HELPFUL
Explanation:
The main component of the cell membrane is a phospholipid bi-layer or sandwich. The heads (the phospho part) are polar while the tails (the lipid part) are non-polar.
<span>The most important point being that the natural balance in an ecosystem is maintained. This balance may be disturbed due to the introduction of new species, the sudden death of some species, natural hazards or man-made causes.
if biodiversity reduce so ecological balance also disturbe because ecological balance formed by biodiversity that are animals and plants.</span>
