The is a mass of lymphoid tissue located above the heart. a. vermiform appendix b. tonsils c. spleen d. thymus

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?