Final Exam- Part One Flashcards
What is the driving force for evolution, as it pertain to “new” structure within animal populations>
Animal with mutations that give rise to effective structure will become more abundant
Why have diverse animals such as sharks, and penguins evolved similar fusiform body shapes?
The law of physics constrain the shapes that are possible for aquatic animals that swim very fast
A ____ ____ increases in animals there is a _______ in the surface to volume ratio
Body size, decrease
Why do multicelluar organisms need their cells to be in a liquid medium
Cells need an aqueous medium for the exchange of nutrients, gases and wastes
The body’s automatic tendency to maintain a constant internal environment is:
Homeostasis
__________ involves production of heat through metablolism
Endothermy
What is shivering thermogenesis?
A female Burmese python incubates her eggs by using it:
Name two examples of torpor
Hibernation, and estivation
An ecotherm is more likely to survive an extended period of food deprivation than would an equally-sized endotherm because
The ecotherm invests little energy in temp regulation
Metabolism of specialized brown fat deposits in certain animals is substantially increased during ___-_________ ____________
NON-shivering thermogennesis
An animal that migrates great distances would obtain the greatest benefit from storing its energy as:
Fat
What vitamin is fat soluble?
Vitamin A
Which vitamins are deadly at high amounts?
A,D,E,K (deak)
What animals and or insect have a crop?
Earthworms, grasshoppers, birds. Used for temporary food storage/nestlings/crop milk
What animals have a long cecum?
Herbivores
