In which process is lactic acid formed when there is not enough oxygen present for cellular respiration to take place?

When species lose their habitats they may..

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

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?