It's time for Margaret to give her baby his bath. The water is warm and she adds bubble bath to the water. When she puts her baby in the water, the baby splashes around and plays with the bubbles, and genuinely appears to enjoy himself because his is/are being stimulated.
Select one:
a. curiosity
b. brain
c. socialization skills
d. sense organs

Option D, sense organs

Explanation:

Since the sense organs of the baby are active, he/she could feel the warmth of the water. He/she could view the bubbles formed in the water which on touching are splashing/bursting. Here the baby is utilizing his/her eyes  for seeing the bubbles and hand (skin) to burst them. Since, the baby is able to sense all the pleasures and sensations associated with bathing in warm water, he/she is enjoying.  

Hence, option D is correct

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.