Q1. A marine biologist has dredged up an unidentified animal from the sea floor A marine biologist has dredged up an unknown animal from seafloor. Explain some of the characteristics she must look at to determine the phylum to which animal have to be assigned. Describe how to determine if it the invertebrate animal was terrestrial or marine.

Q2. What would resting membrane potential be is the Na+/K+ pump worked backwards to create high K+ outside and high Na+ on the inside?