A chromosome is a strand of DNA that is encoded with genes. In most cells, humans have 22 pairs of these chromosomes plus the two sex chromosomes (XX in females and XY in males) for a total of 46.
Answer:
polymers
Explanation:
mono is the prefix for one
poly is the prefix for many
You have a typo. I think you mean ectotherms and endotherms. Ectotherms, commonly call cold-blooded, cannot regulate body temps, while endotherms, commonly called warm-bloods, can.
Phase changes typically occur when the temperature or pressure of a system is altered. When temperature or pressure increases, molecules interact more with each other. When pressure increases or temperature decreases, it's easier for atoms and molecules to settle into a more rigid structure