A student weighed each of several mice born from the same parents, and then placed the mice in separate cages where all mice received identical diets. Half of the mice were given additional amounts (supplements)
of selected amino acids. Half of the mice received no amino acids. After four weeks, all mice were weighed
again and their weights were compared.

Give examples of selective advantage of organism’s body part/organ

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

26 a medida que cambia el clima, ¿qué tipo de reproducción más probablemente de a una especie mayores posibilidades de supervivencia?