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Remote Ready Biology Learning Activities

Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.

This web exhibit was first built in 2000 by Patricia Anne Kinser, Haverford College, under the direction of Paul Grobstein, Bryn Mawr College. The updated version of Comparative Neuroanatomy and Intelligence is now online at This old version has been archived in place, and will continue to be available for teachers and students who are using it.

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The Question of Intelligence




Equal Body Sizes

In the table below all of the animals now have the same body sizes. Compare the brains of these animals. Was your hypothesis correct? Is there any difference in brain size now?

human brain
body size=1m
baboon brain
body size=1m
monkey brain
body size=1m
camel brain
body size=1m
dolphin brain
body size=1m
kangaroo brain
body size=1m
cat brain
body size=1m
raccoon brain
body size=1m
rabbit brain
body size=1m
squirrel brain
body size=1m
frog brain
body size=1m

So, what did you notice? Are the brains all the same size when body sizes are the same? Or are some brains larger than others?

I'm not sure... can we talk about this some more?

What if all these animals had the same brain size?

Huh? Can we start over?

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