The cell membrane lets certain substances in and out through the cell, and keeps the inside of the cell separate from the outside
Answer:
most logical answer to me would be the termite colony
The human body can make most types of fats it needs from other fats or raw materials. That isn't the case for omega-3 fatty acids. These are essential fats the body can't make from scratch but must be gotten from food.
Answer:
One tradeoff is between number of offspring produced and the amount of energy (both physical resources and parental care) put into each offspring.
