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Mammalogy Exam 2 Terms

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Tubulidentata
Ethiopian
strong sense of smell
Aardvark Information & Order
adventive
accidentally introduced/moved species
agonistic
Aggressive or defensive social behavior (fighting, fleeing, submitting) between individuals of the same species
altricial
young that must be taken care of
analogous
Structures in two or more organisms that preform a similar function but are not derived from a common ancestor
aposematic coloration
warning coloration
arboreal
tree dwelling
baculum
os penis
Bicornuate uterus
uterus characteristic of simple primates. Two uterine horns can serve as a site for implantation of an embryo
binocular vision
stereoscopic vision, eyes anteriorly, allows for depth perception
brachiation
Adaptation to use hands like hooks rather than grasping structures
calcar
cartilaginous spur that supports uropatagium
Caniniform premolar
Premolar that looks and functions like a canine (sloths)
Carapace
protection composed of leathery scutes formed over dermal bones
caravanning
Young grabs onto mother's tail and create chain. Seen in shrews
cecum
extension of large intestine where cellulose is digested by bacteria
cervical vertebrae
vertebrae directly behind skull
chiropatagium
combined dactylopatagium
CITES
Convention on International Trade in Endangered Species
1973
dactylopatagium
patagium between fingers
Delayed implantation
Method for hibernation bats in reproduction
dentine
bonelike material that forms body of teeth
Diprotodont
Large extinct marsupials
Disruptive coloration
color markings found in anteaters for defense
estivation
state of dormancy in response to an environmental trigger
folivorous
diet consists mainly of foliage
fossorial
diggers
frugivorous
fruit eaters
glissant
gliders
hallux
"big toe"
hantavirus
virus spread by rodents
harp trap
trap used to catch bats
hibernaculum
place an animal hibernates
Histoplasmosis
cave fungus form bats
homologous
structures with similar origin but not necessarily same function
hypsodont
high crowned teeth
ischial callosities
bright rump patches (Old World Monkeys)
kitten
baby rabbit
larynx
used by microchiroptera to emit sound
lek behavior
males gather to compete and put on show for females
leveret
baby hair
malocclusive
teeth don't fit together
mandibular symphysis
point on the chin where two dentary bones meet, can spread in rodents, get things out of teeth
glenoid fossa
socket where the dentary bone articulates with the cranium
masseter muscles
associated with chewing and gnawing
melanistic
dark pigmented (rebellied squirrel)
musth
period of heightened hormone levels, increased aggression and sexual activity, discharge form temporal gland
natatorial
adapted for swimming
nose leaf
fleshy structure on top of nose that aids in echolocation
olfaction
sense of smell
oviparous
lays eggs
panniculus carnosus
muscles in front of body that controls spines and curls animal in
Parallel Evolution
Changes that take place in closely related taxa due to similar selection
Patagium
web of skins used for flight
plagiopatagium
extends form body and hind digits
procumbent incisor
teeth projected outward
propatagium
extends from wrists to shoulder
rete mirabile
thermoregulation, system of arteries and veins that lie close to each other
pinna
external ear
saltatorial
jumping
sanguinivorous
diet of blood
scansorial
climbers
Strepsirrhinni
wetnosed primates
syndactyl
digits fused together
scrotal testes
testes hang down in scrotum
tragus
fleshy projection on ear that aids in receiving signals
tuleremia
bacterial disease passed from rabbits/hares to humans
uropatagium
hind limbs to tails
vibrissae
whiskers
volant
capable of flying
w shaped ectoloph
cusps with shearing ridge in upper molars of bats
xenarthrous articulation
extra points of contact between vertebrae