BIOL370 Lecture Notes - Lecture 13: Thermal Energy, Poikilotherm, Homeothermy

64 views5 pages

Document Summary

Thermal physiology is a critical component of animal survival & fitness. Lecture 13: thermoregulation: smaller animals are at greater risk, every animal has a thermotolerant zone. Important macromolecules are especially sensitive to temperature variation: membrane lipids & enzymes specifically, certain animals have evolved thermotolerant enzymes. Thermal energy influences chemical interactions (macromolecular structures & biochemical reactions) Ambient temp (ta): temperature of surrounding, most important environmental influence on the animal"s thermal strategy: animal must be able to survive thermal extremes & thermal change. Thermal niches: spatial variation in temperature: variations across the landscape. Ta in alpine regions vary due to altitudinal gradient. Large body of water has varying ta due to depth (10:c difference: temporal variation in temperature: variations due to different time. Terrestrial & aquatic environments have relatively constant ta. Polar & temperate environments have seasonal and daily cycles of heat and cold. Air temperatures changes more rapidly than water temperatures (20:c difference)

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents