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VNH Test 4
N/A
185
Biology
Undergraduate 4
12/09/2012

Additional Biology Flashcards

 


 

Cards

Term
emigration
Definition
migration from a given place
Term
immigration
Definition
migration to a given place
Term
migration
Definition
periodic movement away from one place to another, and later return to the same place (predictable and regular)
Term
animals can use habitats and foods seasonally - food: favorable food supply throughout year - reproduction - climatic considerations
Definition
why do animals migrate?
Term
diadromous 
Definition
meaning 2 movements; migratory between fresh and salt waters
Term
catadromous
Definition

reproduce in sea - develop in FW, return to sea to reproduce (ex. american eel)

Term
anadramous
Definition
reproduce in FW, develop in sea, return to FW to reproduce (ex. certain salmon, various shad species, herring)
Term
cues (ex. photoperiod - day length)
Definition
what triggers movement?
Term
proximate cues
Definition
cues that initiate process
Term
ultimate cues
Definition
cue as a consequence (ex. adaptive or survival cue)
Term
reproduction (same year after year)
Definition
best proximate cue for migration
Term
highly productive northern seas in summer, too cold in winter
Definition
why do fishes migrate?
Term
insectivorous, water birds, birds of prey
Definition
why do birds migrate? (3)
Term
bats, large herbivores, whales
Definition
which mammals migrate?
Term
migratory; resident
Definition
for migrators, if very large range, may be ____________ in one part of range and a _____________ in another part of the range
Term
piloting/pilotage
Definition
use landmarks like structures, odors, and sounds to help migrators know where they're going
Term
compass orientation
Definition
ability to head in certain compass direction without reference to landmarks (ex. use magnetic field, sun)
Term
true navigation
Definition
orient to a particular place from a variety of locations...most complicated!!! - without use of landmarks or compasses - sun, stars, magnetic field, calculations
Term
courtship
Definition
behaviors associated with reproduction
Term
  • among groups
  • pairs
    • may be mutual male and female
    • may feature one sex
    • may be highly ritualized
Definition
forms of courtship (2):
Term
reproduction
Definition
production of offspring...maintain species from generation to generation
Term
birds
Definition
courtship is best known in:
Term
during the day
Definition
when are birds active?
Term
strengthen the bonds
Definition
what is the function of courtship in birds?
Term
build nests, incubate eggs, and feed/care for young
Definition
birds must (3):
Term
species and sexual recognition, inhibit aggression, warn intruders, stimulate readiness for sex, synchronize behaviors
Definition
general functions of courtship in vertebrates (5):
Term
external
Definition
courtship is especially important in verts with (internal/external) fertilization?
Term
proximate cues, photoperiod, H2O temp, etc.
Definition
courtship behavior may be regulated by:
Term
monogamy
Definition
pairing bond in which male and female are together for giving breeding season
Term
polygamy
Definition
pairing bond in which an individual has two or more mates
Term
polygyny
Definition
 pairing bond with male and two or more females; predominant in gallinaceous birds
Term
polyandry
Definition
pairing bond with a female and two or more males
Term
monogamy, polygamy, promiscuous
Definition
types of pairing bonds
Term
social monogamy
Definition
refers to a male and female's social living arrangement (ex. shared use of territory) without inferring any sexual interations or reproductive patterns
Term
genetic monogamy
Definition
refers to two partners only having offspring with each other; DNA analyses can confirm that a female-male pair reproduce exclusively with each other
Term
mating
Definition
verts are usually solitary except when ______
Term
aggregation
Definition
primitive grouping - temporary, little interaction, organization
Term
social group
Definition
_____________ implies cohesiveness, interaction, structure, etc.
Term
flock
Definition
non-breeding social group (ex. black birds)
Term
colony
Definition
breeding group (ex. flamingos, gannets)
Term
survive suboptimal conditions, defense, help to find partners, care of young/other parental functions, social facilitation
Definition
advantages in social groups:
Term
reduce fighting, maintain order
Definition
hieracrchy functions
Term
mild or ritualized fighting displays (selection for communication), may be heavy fighting (pecking orders), must be re-established as others challenge
Definition
how to establish social groups / hierarchies
Term
home range
Definition
area over which an animal moves in daily activity
Term
conspecifics
Definition
members of same species
Term
home range
Definition
  • area where an animal lives from day to day 
  • often overlap 
  • vary among species 
    • and within 
      • season
      • resources
      • age
      • sex

[image]

 

Term
territory
Definition
  • home range or part actively defended against conspecifics
  • do not overlap
  • often advertised -- displays, marking, singing
  • found in all vert groups (reduces fighting, alleviates overcrowding)[image]
Term
altricial
Definition
hatched or born in an undeveloped state and requiring care and feeding by the parents
Term
precocial
Definition
hatched or born in an advanced state and able to feed itself almost immediately
Term
altricial
Definition
-pinkies, completely dependent
-example - mammals - mice, rats, rabbits, etc, cat and dog family
-most small birds - song birds etc
-advantages: adults can search for food/hunt etc without young
-habitat: highly variable, but among mammals, areas with cover
-growth - faster
Term
precocial
Definition
  • fur/feathers, eyes open, walk, etc.
  • examples - mammals - ungulates, hares (more), reptiles
  • gallinaceous birds, ducks, geese
  • advantages - young can follow adults around, feed on their own, etc.
  • habitat - highly variable - but among mammals - open country, grasslands, desert
  • growth - slower
Term
it is eaten
Definition
what happens to the placenta in mammals (notable in nesters and non-nesters)?
Term
it breaks or is chewed off
Definition
what happens to the umbilical cord in mammals?
Term
brood patch
Definition
featherless area; patch where heat is applied
Term
brooding
Definition
application of heat to young
Term
oval
Definition
eggs are typically _______-shaped
Term
neonate
Definition
new born mammal
Term
oviparous
Definition
egg layers - most fish, amphibians, reptiles (turtles, alligators), all birds, 3 mammals (ex. duck-billed platypus, long-beaked echidna, short-beaked echinda)
Term
ovoviparous
Definition
"born alive" - nourished by yolk sac, some chondricthyans, some amphibians, some reptiles
Term
viviparous
Definition
nourished via nutrients, gasses in blood of mother - some fish, some amphibians, some reptiles, no birds, all mammals, and with the placenta; WHAT WE ARE!
Term
clutch
Definition
number of eggs birds lay
Term
litter
Definition
offspring in mammals
Term
hatchlings
Definition
newly-hatched offspring in fish and some birds
Term
decreases
Definition
number of eggs/young generally _______ from fishes to birds and mammals
Term
nest
Definition
most birds build a ________
Term
to hold eggs and hatchlings
Definition
what is the function of a nest?
Term
between its legs
Definition
where does a penguin incubate its egg?
Term
ground
Definition
shorebirds, including kill-deer and sandpipers, incubate eggs on the ________
Term
temperate
Definition
animals mate in what type of region?
Term
infundibulum
Definition
funnel-like structure at the end of fallopian ducts near ovary
Term
simplex uterus
Definition
uternine body only, no horns, one cervix
Term
bicornuate uterus
Definition
body, horns, one cervix
Term
bipartite uterus
Definition
no body, horns separate, one cervix
Term
duplex uterus
Definition
horns separate and two cervices
Term
litter
Definition
horns refer to ______ size
Term
simplex uterus
Definition
what type of uterus do humans, some other primates, and some bats have?
Term
myometrium
Definition
smooth muscle tissue of the uterus
Term
endometrium
Definition
the mucous membrane lining the uterus, which thickens during the menstrual cycle in preparation for possible implantation of an embryo
Term
pear
Definition
the uterus is a _____-shaped structure
Term
vagina
Definition
serves as the birth canal
Term
cloaca
Definition
shell gland empties into what structure?
Term
fallopian duct
Definition
oviduct, uterine tube, called ____________ in humans
Term
abdominal
Definition
in ectotherms, primary sex organs in males located where?
Term
  • high body temperature
  • sperm sensitive to high temperatures
  • testes located near air sacs in birds
  • mammals: permanently abdominal
Definition
endotherms have a problem when it comes to male sex organs:
Term
scrotal (located in scrotum)
Definition
ungulates and primates male sex organs permanently ________
Term
eggs (ova) and sperm (spermatozoa)
Definition
two sex gametes
Term
oogenesis
Definition
the production or development of an ovum (ova); occurs in ovaries
Term
spermatogenesis
Definition
production or development of mature spermatozoa; occurs in testes
Term
ovaries
Definition
  • paired in all
  • some only one function: birds, only left ovary and oviduct functional
  • some verts, both functional, but alternate side to side
Term
testes; epididymis
Definition
many bats and insectivores' _______ and _______ move close to the surface of the abdominal wall
Term
external
Definition
most fishes and all amphibians have no copulatory organs because they have _______________ fertilization
Term
claspers
Definition
copulatory organs in cartilaginous fish
Term
gonopodium
Definition
an anal fin that is modified into an intromittent / copulatory organ in live-bearers (osteichthyes)
Term
hemipenes
Definition
copulatory organs in reptiles (snakes and lizards)
Term
males - plus protrudes
Definition
is the cloaca more distal on males or females?
Term
penis-like structure
Definition
copulatory organs in alligators/crocodiles/turtles
Term
penis with erectile tissue (engorged with blood during sexual excitation)
Definition
copulatory organ in mammals
Term
baculum
Definition
a bone found in the penis of most placental mammals; absent in humans, but present in other primates, such as the gorilla and chimpanzee; aids in sexual intercourse by maintaining sufficient stiffness during sexual penetration; aka os penis
Term
copulatory lockers
Definition
mechanical structure that does not allow male to separate from female (on penis) -- ex. dogs
Term
copulatory plugs
Definition
structure that does not allow sperm to come back out
Term
sperm competition
Definition
copulatory plugs and lockers are related to "_____________"; an intra-species competition that has evolved among many animal  groups "to help ensure" that a given male's sperm will do the fertilizing, and not that of a subsequent male
Term
induced ovulation
Definition
ovulation sparked by the presence of a male or the actual act of copulation
Term
ovulation
Definition
the release of mature eggs from the ovaries of a female
Term
spontaneous ovulation
Definition
ovulation that results from processes endogenous to the female, independent of the presence of a male or copulation; at certain time
Term
induced
Definition
do most fishes and amphibians have induced or spontaneous ovulation?
Term
both
Definition
do reptiles have induced or spontaneous ovulation?
Term
probably about 50-50
Definition
do birds have induced or spontaneous ovulation?
Term
both
Definition
do mammals have induced or spontaneous ovulation?
Term
many rodents, primates (including humans), some carnivores
Definition
examples of animals who experience spontaneous ovulation
Term
cats, ferrets/weasels, some others NOTE: these are predators
Definition
examples of animals who experience induced ovulation
Term
almost 2 years
Definition
how long is the gestation period of an elephant
Term
relaxin
Definition
a hormone secreted by the placenta that causes the cervix to dilate and prepares the uterus for the contractions during labor; relaxes ligaments in pelvic girdle to allow stretching for mammal's head to come through
Term
parturition
Definition
childbirth
Term
16-18 days; 11 days
Definition
gestation period of an opossum? virginia opossum?
Term
18-22 days
Definition
gestation period of a mouse
Term
mud
Definition
robin uses what in construction?
Term
down from thistles (very soft, but tough nest)
Definition
gold finch uses?
Term
hole
Definition
woodpeckers, some others are ______-nesters
Term
salivary
Definition
swifts build nests out of __________ secretions
Term
pipping
Definition
fracturing of egg so bird can get out
Term
fledgling
Definition
bird that has left nest but is still dependent on adult; may not be able to fly
Term
no, just outside of it
Definition
are the ovaries located inside the reproductive tract?
Term
young
Definition
what is the lower portion of the oviduct of live-bearers modified to hold?
Term
cervix
Definition
neck of uterus
Term
most rodents
Definition
only scrotal during time of year when spermatogenesis occurs (most other times, testes are abdominal)
Term
epididymis
Definition
structure for sperm storage; close to surface; closely assocaited with testes; a highly convoluted duct behind the testis, along which sperm passes to the vas deferens
Term
inguinal canal
Definition
testes descend through this canal
Term
internal 
Definition
organisms with copulatory organs have ________ fertilization
Term
cloacal kiss
Definition
means of sexual intercourse in birds when sperm is transmitted
Term
ducks and geese
Definition
semi-aquatic birds; cloacal protuberance (equivalent of a penis); more difficult to have cloacal kiss
Term
estrus
Definition
a male and female are attracted to each other; a recurring period of sexual receptivity and fertility in many female mammals; heat
Term
blastocyst (implants)
Definition
hollow ball of cells - becomes placenta; used in stem-cell research; a mammalian blastula in which some differentiation of cells has occurred; "floats" in uterus
Term
winter time; time of year when energy and resources are low
Definition
most stressful time for birds to incubate or for mammals to go through gestation
Term
polyestrous
Definition
more than one litter per year; having more than one period of estrus per year
Term
gestation period
Definition
dictates when mammals copulate; the period during which an embryo develops
Term
monestrous
Definition
only one litter per year; having one estrous cycle per year
Term
copulate in winter so offspring arrive in spring when little stress occurs
Definition
example of a long gestation period
Term
delayed fertilization
Definition
implies there's sperm storage
Term
in the vagina or uterus
Definition
where is the sperm stored in delayed fertilization?
Term
postpartum estrus
Definition
"afterbirth"; estrus with ovulation and corpus luteum production that occurs in some animals (the fur seal) immediately following the birth of the young
Term
due to external fertilization
Definition
why is ovulation induced in fish and amphibians?
Term
"yolk"
Definition
ovo
Term
blood vessels
Definition
what do some fish have on their head when they are born?
Term
navel, belly-button, umbilicus
Definition
the remnant of an umbilical cord
Term
unorganized; birds (eagles, osprey) may add to them but they are used over and over
Definition
are crude nests organizaed or unorganized?
Term
go into ponds and streams and get wet to make own mud
Definition
if robins cannot get mud from rain, they will do what?
Term
egg tooth
Definition
a hard white protuberance on the beak or jaw of an embryo bird or reptile that is used for breaking out of the shell and is later lost
Term
marsupial
Definition
what type of mammal is an opossum?
Term
arthrosis
Definition
a joint is also known as an
Term
arthritis
Definition
inflammation of joints or arthrosis
Term
stretch
Definition
uterine muscles do what?
Term
head-first
Definition
mammals are usually born ________
Term
breech birth
Definition
if a mammal (ex. whale) is born with its hind limbs first, it is called what?
Term
fimbria
Definition
a fingerlike projection at the end of the fallopian tube near the ovary
Term
scrotum
Definition
a dual-chambered protuberance of skin and muscle, containing the testicles and divided by a septum
Term
cremaster muscle
Definition
muscle that draws the testis closer to the body and reduces surface area 
Term
dartos fascia
Definition
muscle that pulls the testis away from the body and increases surface area 
Term
  1. estrous cycle
  2. mating
  3. copulation
  4. ovulation
  5. fertilization (blastocyst)
  6. implantation
  7. gestation
  8. parturition
  9. lactation
Definition
selected events of the reproductive cycle in mammals
Term
polyestrous
Definition
a small mammal with a short gestation period is usually polyestrous or monoestrous?
Term
monoestrous
Definition
an animal with a longer gestation period is usually polyestrous or monoestrous?
Term
polyestrous
Definition
spring reproduction cycle
Term
monestrous
Definition
fall to summer reproductive cycle
Term
delay
Definition

with DI, ovulation and fertilization and development to blastocyst in typical sequence, then _______

Term
mammals
Definition
regular reproductive cycle in spring
Term

many bats, especially hibernators/insectivorous

Definition
delayed fertilization occurs mostly in:
Term

certain deer (not ours), many of weasel family, seals, others

Definition
delayed implantation occurs in:
Term
menstrual
Definition
the estrous cycle is NOT the same as the ________ cycle
Term
gestation
Definition
which event of the reproductive cycle requires the most time?
Term
predators
Definition
what kinds/group of animals experience induced ovulation?
Term
proximate cue
Definition
one behavior may lead to long chain of stimulus-response-stimulus-respone etc. (meaning the response acts as a _______)
Term
response; stimulus for; sight of eggs lead to stimulus for protection, etc.
Definition
may be leading to nest building (_______) nest (_________) fertilization (________________)
Term
harem
Definition
partners of a polygamous bird
Term
pack, herd, flock
Definition
types of social groups
Term
familiarlarity --> know neighbors
Definition
advantage of home range
Term
heterospecifics
Definition
members of different species
Term
dioecious
Definition
sexes are separate; having the male and female reproductive organs in separate individuals
Term
heat lamp, incubator
Definition
A ___ ___ is an example of artificial brooding
Term
fertilization
Definition
joining of egg and sperm
Term
promiscuous
Definition

males copulate with many females, or females copulate with many males

ex. superb bird of paradise

Term
population pressure and habitat availability
Definition
movement is related to:
Term
dispersal
Definition
emigration and immigration often reflect _________, meaning permanent away from place of birth
Term

fossorial -- migrators

climbers -- migrators

Definition
types of locomotion
Term

one primary for preparation, other initiates

- temp, lack of food, psycosocial

Definition
synergistic effects
Term
shell gland
Definition
deposits egg; in most egg-laying vertebrates
Term
monoecious
Definition
having both the male and female reproductive organs in the same individual; hermaphrodite
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