Bike Riding

Virtual Lab: Earthworm Dissection
Post-Lab Quiz and Lab Report

1. Please make sure you have read through all of the information in the “Question” and “Earthworm Guide” areas. If you comeupon terms that are unfamiliar to you, please refer to your textbook for further explanation or search the word here: http://encarta.msn.com/encnet/features/dictionary/dictionaryhome.aspx
2. Inthis exercise, you will investigate the anatomy and organ system structure of an earthworm. To begin, click on the “External Anatomy” button to view external structures and positions on the earthwormmodel. Based upon the information you have read in the “Question” and “Earthworm Guide” areas, please click and drag the labels to their correct positions on the earthworm model. Click “Check” toverify your answers. If any are incorrect, please make the proper selections to complete the exercise. When you are through, please fill in the labels in Figure 1 below.
3. Next, click on the“Internal Anatomy” button to view internal organs on the earthworm model. Based upon the information you have read in the “Question” and “Earthworm Guide” areas, please click and drag the labels totheir correct positions on the earthworm model. Click “Check” to verify your answers. If any are incorrect, please make the proper selections to complete the exercise. When you are through, please fillin the labels in Figure 2 below.
4. Please finish this exercise by opening the “Journal” link at the bottom of the page and answering the questions.
Figure 1:
[pic]
Figure 2:
[pic]Post-laboratory Questions:

1. Earthworms belong to the Class:
a. Annelida
b. Oligochaeta
c. Lumbricus
d. terrestris

2. A coelom is a(n):
a. Brain
b.Blood vessel
c. Body cavity
d. Hair-like projection


3. Annelids:
a. Are segmented
b. Do not have a coelom
c. Have a single body opening
d. All of the...