Class Notes (839,092)
Canada (511,185)
Biology (6,826)

Hibernation - Guest Lecture study guide that includes all the notes and relevant pictures from lecture as well as additional notes from the assigned readings

8 Pages

Course Code
Biology 2601A/B
Brent Sinclair

This preview shows pages 1,2 and half of page 3. Sign up to view the full 8 pages of the document.
Organismal Phys Lecture 14 Hibernation Organisms that HibernatePhylogenetically many different orders can hibernateHibernation is an ancestral feature some orders have lost this featureLarger animals tend not to hibernate small animals more likely toIt is questionable whether bears hibernate winter lethargyMonotremata marsupialia pholidota rodentia primates chiroptera insectivore carnivores and dermoptera in each of these at least one member hibernatesFood Availability and Metabolizing FatMammals and birds are endothermic use their metabolism as a source of heat homeotherms maintain a constant body temperatureWhere C is thermal conductanceWhen its cold outside o Mammals will become less thermally conductive better insulatedvalue of C o Will increase their metabolic rate burn more energy generate more heat this diagram just shows that during the winter months food is relatively unavailable and therefore energy is scarceDuring the summer months food availability is high and the metabolic rate is close to BMR because the animal doesnt need to keep itself warm therefore wont need to expend energyAnimals cant store food because1 Will spoil2 Other animals willsteal it3Where to put it
More Less
Unlock Document

Only pages 1,2 and half of page 3 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.