Practical 1

Question 1

Positional Term: the nasal area of an organism [root word means beak/snout]

Answer 1

Rostral

Question 2

Positional Term: on the same side of the body as another structure [root word means same]

Answer 2

Ipsilateral

Question 3

Positional Term: the opposite side of the body as another structure [root word means opposite]

Answer 3

Contralateral

Question 4

Balanoglossus and Dolichoglossus are of which phylum?

Answer 4

Hemichordata

Question 5

Label the following:

• Proboscis
• Collar
• Trunk
• External pharangyeal gill slits
• Mouth

Where is the Anus?

Answer 5

• 1
• 3
• 5
• 4
• 2
• Anus is located at the end of the worm

Question 6

Label the Following in the Larvae:

*Could not find Adhesive Discs*

• Excurent Siphon
• Incurrent Siphon
• Tunic
• Pharynx
• Eye Spot
• Notochord
• Nerve Cord

Answer 6

• 5a
• 4a
• 7a
• 3a
• 6a
• 1a
• 2a

Question 7

Label the Folowing in the Adult:

*Could not find Heart*

*