What are fur/endothermy/lactation/viviparity (live young born)?
100
Factors that determine circadian rhythm for an animal?
What is light/temperature/internal clock?
100
Structure is absent in carnivores and insectivores, and large in herbivores.
What is the cecum?
100
One prairie dog produces an alarm call to alert conspecifics.
What is intraspecific communication?
100
Where food is scattered, coyotes tend to be...
What is solitary?
200
Difference in reproductive strategies for metatherians vs eutherians?
What is presence of a placenta? Also, eutherian young are born fully formed, while methatherian newborns are nearly embryonic.
200
Hibernation depends on hormonal (endogenous) cues, and happens at the same time every year.
What is obligate hibernation (internal clock)?
200
The optimal foraging theory is dependent on.....
What is energy gain vs handling time?
200
A black-footed ferret hears the prairie dog alarm call and learns that lunch is nearby.
What is interspecific communication?
200
Benefits of social living...
What is safety in numbers, better foraging/hunting?
300
Reason for acute hearing in mammals?
What is simplification of the jaw/formation of ear ossicles?
300
Hibernation is cued by environment (reduced photoperiod, cooler temperature, reduced food availability).
What is facultative migration?
300
A kangaroo rat fills up its cheek pouches with seeds and hauls them to a burrow for storage.
What is caching?
300
Uses for olfactory cues by males.
What is establishing territory/dominance?
300
A closely related colony of mammals, with a single breeding female and many workers that help rear young and build burrows, etc.
What is a eusocial colony?
400
The three ear ossicles.
What are the incus, malleus and stapes?
400
Hormone that governs seasonal coat color change.
What is melatonin (although prolactin also increases when brown spring coat returns)?
400
Describe pseudorumination.
What is ingestion of fecal matter (cecotropes) to regain nutrition?
400
Elephants can pick up information from miles away.
What is infrasonic communication?
400
One vampire bat provides some of a blood meal to a roostmate. Two days later, the donor fails to secure a blood meal and the roostmate gives the donor some blood.
What is reciprocal altruism?
500
Advantage to endothermy.
What is sustained activity (not dependent on temperature)?
500
A way for a female mammal to optimize reproduction based on seasonality?
What is delayed fertilization/implantation/ovulation? *shifting parturition to near prime food availability, etc.
500
Adaptations to foraging in underwater or fossorial environment.
What is tactile structures/echolocation/enhanced sense of smell?
500
A wolverine's facial mask can serve as....
What is reducing eye glare or warning?
500
A single pair breeds, but aunts and uncles help a great deal with rearing of young.