Midterm 4 Flashcards
What are the unique features of the shark’s digestive system?
- U-shaped stomach
- stomach pH is really low
- Spiral hindgut
Do sharks regurgitate undigestible material?
yes
Do crocodiles regurgitate undigestible material?
no
Are there herbivorous turtles?
yes
What is unique about whales and dolphin?
multi-chambered stomach, foregut fermentation, can digest chytin
What’s unique about fish digestive system?
- short digestive system
- pharyngeal teeth
- some have secretory gland gizzards
Name one avian species that doesn’t have a true gizzard?
sage grouse
Name two omnivorous avian species
turkey, california gull
Name an avian species that is a hindgut fermenter that practices coprophagy
ptarmigan
name an avian species that is a fore- and hindugt fermenter
Hoatzin
Unique features of avian digestive tract
crop, gizzard, proventriculus, ceca
Know the diagram of the different digestive strategeies
yessir
Turtles are ____ as young and ___ as adults
carnivores, herbivores
How do snakes capture their prey?
disarticulating jaw and backward facing teeth
do egg-eating snakes digest egg shells?
no, they regurgitate them
in the fish, reptile and avian species, where are nutrients absorbed?
in the small intestine
What’s the deal with brine shrimp?
cists harvested and raised for fish food
Do you want fish food to float, sink or disintegrate?
Not disintegrate
What do you have to supplement captured reptiles with?
Calcium, vitamin D
If you overfeed protein what happens to the amino acids?
deamination and the production of ammonia, can cause toxicity
Do hawks regurgitate?
Yes, a bolus like owls
Name some classes of faunivores
insectivore, carnivore, piscivore, crustaceavore
name some classes of florivores
frugivores, granivores, nectivores
nectivore vs granivore
nectivore feeds in short bursts then rests, digestion is much faster, and must eat insects for fat and protein
what does facultative mean?
may change depending on what’s available
What’s the difference between a facultative granivore and an omnivore?
facultative granivore would eat grain year-round if available, an omnivore is omnivorous year-round
two species that are more carnivorous when young?
turkey and turtle
What are some differences between growing animals, gender?
some species, diet depends on gender, may also depend on whether animals are growing or not
