Food Capture/Processing

Question 1

What are the 3 main capture methods?

Answer 1

• suction
• ram
• manipulation

Question 2

Define suction

Answer 2

• neg pressure and buccal pump sucks in

Question 3

Define ram

Answer 3

• filter food (swim into food w mouth open)

Question 4

Define manipulation

Answer 4

• biting/using teeth

Question 5

Define head gut

Answer 5

• mouth and pharyngeal cavity

Question 6

The mouth provides _____ digestion only

Answer 6

• mechanical

Question 7

What does the head gut consist of? (5)

Answer 7

• jaws
• teeth
• pharyngeal mill
• gill rakers
• epibranchial organ

Question 8

What does the pharyngeal mill do?

Answer 8

• grinds food in pharynx
• mechanical breakdown further in mouth

Question 9

Define gill rakers

Answer 9

• cross flow rather than dead end filtration