Biology Final Exam – Dissection
Lab Practical
Prelab Drawings
Prelab Drawings
Prelab Drawings
Starfish
http://www.biologyjunction.com/starfish_dissec
tion2.htm
Follow the directions to dissect the starfish.
Clam
http://www.biologyjunction.com/clam_dissectio
n.htm
Crayfish
http://www.biologyjunction.com/crayfish_disse
ction.htm
Post Lab Questions
Starfish:
• 1. What type of symmetry did your starfish
have?
• 2. What is the upper surface of the starfish
called?
• 3. What is the lower surface of the starfish
called?
• 4. Name the kingdom, phylum, and class for
the starfish you dissected.
Post Lab Questions
Clam:
• 1. Give the kingdom, phylum, and class for the
clam.
• 2. Describe the body of bivalves.
• 3. How do bivalves move?
• 4. Why are they called bivalves?
Post Lab Questions
Crayfish
• 1. What structures are used for capturing prey
and securing and eating food?
• 2. How are the antennae, chelipeds, other
walking legs, and swimmerets related?
• 3. Give the kingdom, phylum, and class for
the crayfish.