Lecture 2

Question 1

What are the different ways animals eat?

Answer 1

Filter feeding
Deposit feeding
Fluid feeding
Bulk feeding

Question 2

What is filter feeding?

Answer 2

Feed by straining suspended matter and food particles from water

Typically pass water over a specialised filtering structure

Question 3

What is deposit feeding?

Answer 3

Feed by obtaining nutrients from particles suspended in the soil

Question 4

What is fluid feeding?

Answer 4

Obtaining nutrients by consuming other organisms fluids

Question 5

What is bulk feeding?

Answer 5

Obtaining nutrients by eating some or all of an organism

Question 6

What are the types of mammalian teeth

Answer 6

Incisors (cutting teeth)
Canines (hold food for tearing)
Molars (mainly for chewing)
Carnassial tooth (shearing meat, found in carnivores only)

Question 7

Mastication starts the process of digestion, what does saliva contain?

Answer 7

Alpha amylase

Maltose

Question 8

What is the small intestine made up of?

Answer 8

Duodenum
Jejunum (contains villi and microvilli)
ileum

Question 9

What is the large intestine made up of?

Answer 9

Caecum, colon and rectum

Question 10

Amino acids in the blood can be used for three purposes, name them

Answer 10

1) the creation of new proteins (protein biosynthesis)
2) the creation of non-essential amino acids
3) the production of energy