What makes a cell responsive to a particular hormone?

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m

Which of the following forest management practices is best for reestablishing areas of forest?

The diagram shows a chicken embryo and a human embryo