1. Comparison of mammalian digestive systems
Activity 2.8
Comparison of mammalian digestive systems
Read the notes on each mammal in the Activity manual.
Fill in the information about the digestives systems of the dog, cow and honey possum.
Think about the type of digestive system the honey possum might have.
You can use this template to prepare a response to the Discussion Questions and the Further Activity.
Include your answers on the relevant slides.
Slides are also included for comparing the stomachs and intestines of each mammal.
On the Bibliography slide include the details of any resources you have used.
Read the instructions on the following slide before you start.

2. Instructions for slides
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3. Comparison of mammalian digestive systems
Insert your own images here. Delete this text box.
Presented by <<your name>>
Pearson Australia (a division of Pearson Australia Group Pty Ltd)

4. Dog Diet ... Amount of digestion required Size of stomach
Length of small intestine
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography

5. Cow Diet ... Amount of digestion required Size of stomach
Length of small intestine
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography

6. Honey possum Diet ... Amount of digestion required
Size of stomach
Length of small intestine
Fig 3 – Digestive system of honey possum
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography

7. Size and shape of stomach
(Compare the size and shape of the stomach of the three mammals. Explain the differences in terms of the type of food eaten and the amount of digestion needed. Think carefully about what each of the mammal’s diet consists of. Refer to your information on the slides for each mammal.)
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography

8. Length of small intestine
(Compare the relative length of the small intestine in the three mammals and attempt to relate differences in length to differences in diet. Refer to your information on the slides for each mammal.)
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography

9. Vampire bat Type of food eaten ... Amount of digestion required
Size and shape of stomach
Length of small intestine
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography

10. Vampire bat
Compare the relative size and shape of the vampire bat’s digestive system with the other mammals.
Compare the relative length of the vampire bat’s small intestine with the other mammals.
Which other mammal’s digestive system does it most resemble?
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography

11. Bibliography Enter details for any Internet sites you have used.
Enter details for any books, encyclopedias, CD-ROMs etc. you have used.
dog | cow | possum| | stomachs | intestines | vampire bat | comparison | bibliography