Mammalogy Exam 2 Terms

72 terms by naturelover4551

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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

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