"REPRODUCTIVE ISOLATION" needs to occur for speciation to happen.....
1. The sun
2. Chemical energy
3. Photosynthesis
4. Store
5. release
6. Cellular respiration?
Last one I'm not 100% sure.
Answer:
<u>
They have hydrophilic heads and hydrophobic tails.</u>
Explanation:
Phospholipid membranes are comprised of a chain of lipids. These typically are arranged in a bilayer; the hydrophilic lipid heads are polar, and face outwards, while the hydrophobic tails are polar facing inwards.
The membranes are selectively permeable, and only allow the movement of small, non-polar molecules through the bilayer.
Answer:
b
Explanation:
The ends of the lipid are attached to each other