4.Clasifique las siguientes afirmaciones como cualitativas o cuantitativas e indique sus razones: a) El Sol está a unos 93 000 000 de millas de la Tierra.
b) Leonardo da Vinci fue mejor pintor que Miguel Ángel.
c) El hielo es menos denso que el agua.
d) La mantequilla tiene mejor sabor que la margarina.
e) Un remedio a tiempo ahorra trabajo innecesario.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.