A horseshoe crab would be found in which of the following classes?

The chemorecptors found on Arthropods are actually:

Match the description with the correct term. 

Match the Mammalian Order with the correct organism.

The inner layer of a mollusk’s shell is the:

Which of the following arthropods are fossilized?

When preparing for transportation from the crime scene, the cylinder of a revolver should be secured in the closed position.

The sketch of evidence located on a floor is called floor plan or “birds eye”.

Part of the turtle’s shell that covers the dorsal surface of its body is the ______________.

Sharks have which type of fertilization?