Which part of the cells acts as a barrier to control what enters and leaves the cell?

Which of the following is not a classification of marine organisms? a. benthos c. neritic b. nekton d. plankton select the best answer from the choices provided a b c d i know the answer is not option b

Describe speciation of the galapagos island finches in terms of geographic isolation

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.