Anew species of aquatic chordate is discovered that closely resembles an ancient form. it has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. in addition to these, it will probably have which of the following characteristics? a) legsb) no jawsc) an amniotic eggd) endothermy

In a study, people were asked to imagine simple occasions that made them happy and to remember events that made them feel proud about themselves. it was observed that the subjects developed an increasingly positive attitude. these changes are known to be healthy, leading to greater physical activity and reducing unhealthy habits. based on this excerpt, we can conclude that a positive attitude .