Biotic and living are the same thing, abiotic would be non-living
The answer is D its tightly packed cells allow for proctection against harmful substances.
Answer:
To maintain the right body temperature, it is essential to have adequate body fat. Body fats are the storehouses of energy in the body. Body fats are necessary to ensure the smooth functioning of cells. Body fats have a cushioning effect on organs and tissues.
Mmmmmm mercury sexiest planet thanks for the pic
Answer:
The Y chromosome is present in males, who have one X and one Y chromosome, while females have two X chromosomes.Explanation: