A student is holding a marble in his hand. What are the equal and opposite forces that are acting on it?

Which animal is a producer in this ecosystem

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.

The biological classification of organisms is called taxonomy. based on your own investigation, discuss the importance of taxonomy in biological ?