lab 6

profilepreiou5
lab_6.docx

The Deuterostomes

Results

A. Conduct an online search on the name to find out more about these interesting organisms. Fill in Table 1 to summarize the general characteristics of this phylum.

Table 1: Phylum Echinodermata

Morphology:

Level of

Organization

Ecology

Where

found

Nutrition

Reproduction

Symmetry

Environmental

Role

Refer to Explanation of Table Common Characteristic Categories and Types of Answers Expected, p. 8.

B. What specific exterior and interior organs and systems did you identify during your dissection? How do these benefit this organism?

www.LabPaq.com

210

©Hands-On Labs, Inc.

C. Describe how the water vascular system functions. What is the benefit of this adaptation for these animals?

Questions

A. List several beneficial uses of echinoderms. What is their role in their environment? Could we live without them?

B. List several detrimental effects of echinoderms, if any.

C. Why are echinoderms classified as animals?

211

©Hands-On Labs, Inc.

www.LabPaq.com

D. Provide several examples of echinoderms and where they are found.

E. Why are echinoderms classified as Deuterostomes? Give an example.

Exercise 2: Phylum Chordata – Animals with

Notochords

Results

A. Compare and describe the structures found in these two organisms in Table 2.

Table 2 Comparative Anatomy

Fish

Frog

Exterior covering

Appendages/Use of Appendages

Mouth

Anus

Environment/ Environmental Role

Respiration

Digestion

Circulation

Reproduction

Nervous system/Sensory Organs

Skeletal makeup

Food source

Source of Food for ?

B. Conduct an online search on the name to find out more about these interesting organisms. Fill in Table 3 to summarize the general characteristics of this phylum.

Table 3: Phylum Chordata

Morphology:

Level of

Organization

Ecology

Where found

Nutrition

Reproduction

Symmetry

Environmental

Role

215

©Hands-On Labs, Inc.

www.LabPaq.com

C. For each of the two organisms, what specific external and internal organs and systems did you identify during your dissection? How do these benefit these two organisms?

D. Describe how the circulatory system functions in each organism.

Questions

A. List several beneficial uses of chordates. What is their role in their environment? Could we live without them?

B. List several detrimental effects of chordates, if any.

C. Why are chordates classified as animals?

D. Provide several examples of Chordates and where they are found.

Laboratory Summary

What have you learned from doing this laboratory that you did not know before you began it?