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Heinemann Biology Activity Manual
Activity 2.8—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.
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Heinemann Biology Activity Manual
Activity 2.8—Mammalian digestive systems
Instructions for slides
• The slide templates are pre-formatted for you. Highlight the text
you wish to type over. For each slide, type in your information.
• To insert pictures go to Insert and select Picture, then Clip Art or
From File.
• To show your slides, go to the Slide Show menu and select View
Show. Slides have been set to automatically appear. You can
change these settings by going to Slide Show and then Slide
Transition.
• No objects on slides have been animated. You can add
animations by going to Slide Show and Custom Animations.
• Press Escape to quit the slide presentation.
• If you want more slides, go to the Insert menu and select New
Slide or Duplicate Slide.
• After preparing your slides, you should delete the first two
instruction slides. You can do this on each slide by going to the
Edit menu, and selecting Delete Slide.
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Comparison
of mammalian digestive systems
Insert your own images here. Delete this text box.
Presented by <<your name>>
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Heinemann Biology Activity Manual
Activity 2.8—Mammalian digestive systems
Dog
Diet
• ...
Amount of digestion required
• ...
Size of stomach
• ...
Length of small intestine
• ...
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Heinemann Biology Activity Manual
Activity 2.8—Mammalian digestive systems
Cow
Diet
• ...
Amount of digestion required
• ...
Size of stomach
• ...
Length of small intestine
• ...
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Heinemann Biology Activity Manual
Activity 2.8—Mammalian digestive systems
Honey possum
Diet
• ...
Amount of digestion required
• ...
Fig 3 – Digestive
system of honey
possum
Size of stomach
• ...
Length of small intestine
• ...
dog | cow | possum | stomachs | intestines | vampire bat | comparison | bibliography
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Heinemann Biology Activity Manual
Activity 2.8—Mammalian digestive systems
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
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Heinemann Biology Activity Manual
Activity 2.8—Mammalian digestive systems
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
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Heinemann Biology Activity Manual
Activity 2.8—Mammalian digestive systems
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
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Heinemann Biology Activity Manual
Activity 2.8—Mammalian digestive systems
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
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)
Heinemann Biology Activity Manual
Activity 2.8—Mammalian digestive systems
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
Copyright @ Pearson Australia (a division of Pearson Australia Group Pty Ltd)