Describe inflammation. (module 20.13a) inflammation is a vascular response to injury to cause vasoconstriction and reduce blood loss. inflammation is the response of chemical messengers that coordinate defense against viral infections. inflammation is the mechanism by which nk cells destroy abnormal cells in peripheral tissues. inflammation is an increase in body temperature. inflammation is a localized response to injury characterized by redness, swelling, heat, and pain.

The diagram below shows the layers of a rock having a trilobite: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has one shaded rhomboid shape, the middle layer has a rhombus with a diagonal along with two identical organisms marked as, trilobite, in the key, the top layer has two semicircles. a key is shown on the right side of the diagram. the shaded rhombus is marked as a, the rhombus with the diagonal is marked as b, the semicircle is marked as c which statement about the rock fossils is true?