Which of the following statements is true?
To be classified as living, an organism must be made of two or more cells.
During mitosis, a parent cells splits into two identical daughter cells.
Sexual reproduction results in only one identical daughter cell.
The growth of an organism is usually unpredictable and random

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.

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal

Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.