Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to dissect a frog [title] Prepare the dissection tray and get your frog. [step] Frogs and other small animals are typically dissected in biology labs to learn anatomy. If your class is going to dissect a frog, your teacher should provide all the necessary tools for the job.

Ending1: Get a small copper and two red-eared pork chops. The red pork chops will help make the shinier portions of the frog's anatomy fit into the cuttings. Ending2: [substeps] Gather a microscope and some gloves that are appropriate for handling the frog, such as forceps or pliers. Get plenty of eye contact, read labels, and keep a ear out for sounds. Ending3: It doesn't take much, though. You'll usually need a clean dissection tray, which is a bit like a baking pan with a rubber lining on the bottom. Ending4: Each species of frog will require different tools to humanely dissect it. [substeps] You will need frog feces, an identification pad, and razor to save time.

Answer format: ending1/ending2/ending3/ending4