Lecture 10 Animal Adaptations . Animal adaptations: Key processes common to all animals Acquire and digest food Absorb oxygen Maintain body temperature and water balance Adapt to light and temperature variations. The ultimate source of most nutrients needed by animals is plants
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H acquisition).stored = Hmetabolism + Hconduction + Hconvection + Hradiation + Hevaporation
heat gained/lost from various sources
heat of metabolic activities
Body heat =
Thermoregulation: Regulation of Body Temperature acquisition).
Acetylcholinesterase in a Poikilotherm: Rainbow Trout easily transferred from the animal (usually at the gill) and environment
Solutions: balance and deal with the problem in several ways
In solutions balance and deal with the problem in several ways
Hyperosmotic or Hypertonic – more dissolved substances outside cell
water leaves the cell crenation (like a pickle)
Hypoosmotic or Hypotonic – less dissolved substances outside
water enters the cell cell swells and bursts
Isoosmotic or Isotonic – same concentration inside and out, the cell is at dynamic equilibrium