Answer:
A thick, dense fur, keeps the fox warm during winter, by preventing excessive loss of temperature and body heat when it is cold.
I think it is D because your responding to the cold from stimuli and by creating heat to keep your body the average temperature it is homeostasis.
C. They are pulled toward Earth by the force of gravity (and in Physics you would learn that the deceleration speed of gravity is -9.8m/s/s)
Answer: 37 chromosomes.
Explanation: As is typical of mammals, llamas are diploid organisms, meaning that the number of chromosomes in each of their somatic cells is exactly twice of that found in the gametes (the so-called haploid number, referred to as "n"). If a particular species has 74 chromosomes in its somatic cells, we should expect to find 74/2=37 chromosomes in each gamete.
It is not a mineral because it is man made!
