In embryonic stage humans birds and fish are similar in many aspects

eukarya because is is like alche and b is bacteria and d is animals

explanation:

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves

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.