Answer:
Los fotorreceptores son neuronas especializadas sensibles a la luz, localizadas en la retina externa de los vertebrados. Los conos y bastones son unas de las células mas especializadas y complejas de nuestro cuerpo. Realizan la conversión de la luz en impulsos nerviosos que el cerebro transforma en imágenes.
Explanation:
Answer:
C. A Turtle suns itself on a rock during a cool day
Explanation:
Because, the three other answers are an internal stimuli
B. by the sharing of electrons
Answer choices A and C are incorrect because covalent bonds form as a result of electrons (protons are kind of irrelevant). Answer choice D is incorrect because it describes an ionic bond.
Further study topics: water polarity, hydrogen bonds, free radicals, valence electrons, and more!
to digest food in order to get nutrients.
