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

2. #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. #3 The pointer is on the:
Pharynx
Reproductive organs
Crop
Heart
Gizzard

4. #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. #5
Which letter is the most anterior? C B A D

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

7. #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. #8 Name the structure at the tip of the pointer:
Dorsal Blood vessel
Intestine
Nerve ganglion
Seminal recepticals

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

10. #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. #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. #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. #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. #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. #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

16. 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. #17 The phylum of the below organism would be: Animalia Porifera
Cnideria
Archaobacteria