In cell membrane phospholipids are formed in a bilayer , in which the non polar termed as hydrophobic are present in the interior of bilayer to shield it from water , and polar region termed as hydrophilic is present outward to interact with water inside or outside the cells.
Selectively permeable (or semi permeable) means where for example a membrane can choose what material can pass through while others cannot. They control the in and out of materials.
This is because the membrane has tiny spaces, where only smaller molecules can pass through, other larger ones cannot.
Out of the following choices, fossil fuels is the largest reservoir of carbon in the world. A couple of other reservoirs of carbon are dissolved in the ocean and in plants.
Your answer is C: A rapid increase in the number of related species
bc the more the earth tilts the farther away that part of the earth gets from the sun so therefor its not goin to be as hot over there
