Answer:
I believe your answer is fertilization.
The structure is a phospholipid bilayer. There are many phospholipids which contain a water loving phosphate end and a water hating lipid (fatty) end. The phosphate ends all point out words while the fatty ends are inside.
The purpose is protection of the cell as well as allowing certain molecules to enter and exit the cell
Answer:
Image result for plastic wrap for sandwiches
cling film
Food plastic wrap, also known as cling film, food wrap, and saran wrap, is a thin plastic film commonly used for sealing and securing food items in containers to keep fresh. Food Plastic wrap is sold in individual rolls or more typically sold with a roll in a box that has a cutting edge on it. Explanation:
if youre asking what the element is, its
Nitrogen
The limiting factor on the population of Arctic foxes is density-dependent. In population ecology, density-dependent processes happen when population growth rates are regulated by the density of a population. Density-dependent factors are factors where the effects on the size or growth of a population vary with the density of the population itself.