#1 Which of the following organisms would be classified as a cnidarian? Sponge Jellyfish Clam Lobster

#2 After opening up the earthworm, you analyze the internal organs anterior of the clitellum. You find two organs next to each other, one is hard and muscular while the other is squishy. The muscular organ is: Stomach Gizzard Crop Intestine

#3 The pointer is on the: Pharynx Reproductive organs Crop Heart Gizzard

#4 In earthworms and humans the blood cells remain in the system of vessels between heartbeats. This is called Open circulation Closed circulation Para circulation Radular circulation

#5 Which letter is the most anterior? C B A D

#6 The arrow is pointing to which structure? Clitellum Crop Ventral Blood vessel Seminal vessicles

#7 All members of the phylum pictured below would show which of the following: One Male and One female with internal fertilization One Male and One female with external fertilization Hermaphrodites with external cocoons Asexual with internal fertilization

#8 Name the structure at the tip of the pointer: Dorsal Blood vessel Intestine Nerve ganglion Seminal recepticals

#9 Which of the following are the correct examples Cniderian Annelid Jellyfish Planaria Earthworm Jellyfish Sponges Earthworms Jellyfish Leeches

#10 Earthworms obtain their oxygen by: Diffusion across their moist skin Simple lungs taking in air from mouth Gills located near the clitellum Spiracle openings in each segment

#11 When an earthworm moves or tries to prevent being pulled out of the ground by a predatory bird, it will use its: Clitellum Setae Pharynx Nephridia

#12 Which of the following is the correct order that food would pass through an earthworm? Mouth, pharynx, esophagus, crop, gizzard, intestine Mouth, crop, gizzard, pharynx, esophagus, intestine Mouth, pharynx, esophagus, gizzard, crop, intestine Mouth, esophagus, pharynx, gizzard, crop, intestine

#13 The pictures below are: Left are sponges, right are jellyfish Left are polyps, right is medussa of the same cniderian Left are cniderians, right is planarians Both are cniderians, but the left reproduces sexually while the right is asexual

#14 What is a jellyfish’s nematocyst? The tenticles The muscles used for movement/motion Specialized cells used to capturing prey Specialized cells of digestion

#15 This jellyfish was produced from: Two jellyfish sexually reproduced and formed a baby jellyfish One jellyfish broke apart and formed a new jellyfish The jellyfish broke off from a polyp shoot Algae and coral combined to form the free swimming jellyfish

A #16 Look at the X on the organism below. If you were to move laterally, which letter would you come in contact with? D C X B

#17 The phylum of the below organism would be: Animalia Porifera Cnideria Archaobacteria