The stimulus materials discussed selecting certain traits as the basis for breeding known as artificial selection or selective breeding. How did such variations in the population of domesticated horse species Equus caballus occur? Select one:
A. Acquired traits
B. Inherited traits
C. Vestigial structures
D. Tropism

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

What is a general feature of a species that varies from one individual to the next (skin tone,eye color or hair color)? a.organism b.trait c.character