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99 Cards in this Set

  • Front
  • Back
4 defining features of chordates
-Dorsal hollow nerve chord
-pharyngeal gill slits
-post anal tail
-notochord
9 classes of chordata
-urochordata
-cephalochordata
-agnatha
-chondrichthyes
-osteichthyes
-amphibia
-reptilia
-aves
-mammalia
sea peach is what phylum and class
chordata-urochordata
3 classes of fish
agnatha, chondrichthyes, osteichthyes
this class is made of all cartilage
agnatha
agnatha use _____ for gas exchange
gills
agnatha ______ fins are absent
ventral
1 or 2 semicircular canals are used for _____ and ______ in agnatha
navigation, balance
chondrichthyes skeleton is made completely of
cartilage
Sharks are what phylum and class
chordata, chondrichthyes
Sharks maintain buoyancy chiefly by means of the _________ in their _____
squalene, livers
squalene is chemically similar to _______
cholesterol
squalene, as a _________, is less dense than water so it _______-
lipid, floats
sharks locomotion is largely dependent on the thrust generated by the action of it's ________ ________ ___
heterocercal, caudal, fin
the paired _____ _____ in sharks can be used to navigate veritcally in the water
pectoral fins
sharks have ______ scales that have enamel on them
placoid
sharks alimentary canals have a ___ shaped stomach and a short intestine which houses a ______ valve
J, spiral
oviparous means
lay unfertilized eggs, that get fertilized outside the mother
viviparous means
give birth to live young
ovoviviparous means
lay eggs that are already fertile
chondrichthyes reproduction
some are oviparous, others are viviparous and still others are considered ovoviviparous
the teeth of sharks are actually modified _______ scales
placoid
sharks skin contains _____ glands and _____ ______
mucus, placoid scales
osteichthyes skeletons are made entirely of
bone
osteichythes maintain buoyancy by means of a
swim bladder
how does a swim bladder work
it inflates or deflates with gases
Osteichthyes have a _____ tail, which means it is symmetrical
homocercal
all osteichthyes are _____ finned except one extant species which is lobe finned which is the ______
ray, coelacanth
______ is in the fin of lobe-finned species
skeleton
lampreys and hagfishes are part of what class
agnatha
4 defining features of chordates
-Dorsal hollow nerve chord
-pharyngeal gill slits
-post anal tail
-notochord
9 classes of chordata
-urochordata
-cephalochordata
-agnatha
-chondrichthyes
-osteichthyes
-amphibia
-reptilia
-aves
-mammalia
sea peach is what phylum and class
chordata-urochordata
3 classes of fish
agnatha, chondrichthyes, osteichthyes
this class is made of all cartilage
agnatha
agnatha use _____ for gas exchange
gills
agnatha ______ fins are absent
ventral
1 or 2 semicircular canals are used for _____ and ______ in agnatha
navigation, balance
chondrichthyes skeleton is made completely of
cartilage
Sharks are what phylum and class
chordata, chondrichthyes
sharks maintain buoyancy by ______ in their _____
squalene, livers
squalene is chemically similar to _______
cholesterol
as a ______ squalene is less dense than water, therefore it _______
lipid, floats
the locomotion of a shark is largely dependent upon the thrust generated by the action of its _______ _____ ___
heterocercal caudal fin
the paired ____ ____ in sharks can be used to navigate vertically in the water
pectoral fins
______ scales have enamel on them
placoid
the alimentary canal of a shark consists mainly of a __ shaped stomach and a short intestine which houses a _____ _____
J, spiral valve
oviparous
lay unfertilized eggs, the eggs get fertilized outside the mother
viviparous
give birth to live young
ovoviviparous
lay eggs that are already fertile
chondrichthyes reproduction
some are oviparous, others are viviparous, and still others are ovoviviparous
chondrichthyes skin contain ______ glands and ____ scales
mucus, placoid
the teeth of a shark are actually modified _____ ____
placoid scales
lampreys and hagfishes are what phylum and class
chordata, agnatha
sharks, rays and skates are what phylum and class
chordata, chondrichthyes
trout, bass, catfish and swordfish are all part of what class
osteichthyes
osteichthyes skeleton is made entirely of
bone
osteichthyes maintain buoyancy by means of a
swim bladder
swim bladders work by
inflating or deflating with gases
osteichthyes have a ______ tail, which means it is symmetrical
homocercal
osteichthyes are all _____ finned except one extant species that is ______ finned
ray, lobe
the only osteichthye that has skeleton in it's fins (lobe-finned)
coelacanth
the orders urodela and anuria are part of what class
amphibia
salamanders and newts are what class and order
amphibia, urodela
frogs and toads are part of what class and order
amphibia, anuria
amphibians have ____ to protect from UV light
melanin
amphibians use _______ pressure inflation for gas exchange
positive
amphibians use a ________ to push air in
bucopharynx
the skin of amphibians lack _______
scales
_______ were the first terrestrial vertebrates appearing ______ million years ago
amphibians, 325-350
reptilia's scales are made of ______
keratin
reptiles have __ occipital condyle
one
occipital condyle is
the joint b/w the vertebrate and skull
most reptiles have a ___ chambered heart
3
the only reptile to have an incomplete 4 chambered heart
crocodiles
reptiles use ______ pressure inflation
negative
some reptiles use the _____ as a secondary respiratory organ
cloacca
in reptiles the ______ organs are used for scent
jacobsen's
pit organs are used for ____ and located
infrared and heat sensing, between the eyes and nostrils
reptiles have _____ fertilization
internal
some reptiles are ______, most _______ and FEW _____
ovovivparous, oviparous, viviparous
this class' eggs are covered with calcerous or leathery shells
reptiles
reptiles' bodies are covered with scales made of _____ which is a ______
keratin, protein
reptiles are ___thermic
ecto
aves skeleton are made of
extremely light bone
most of aves' _____ are fused together
vertebrate
aves use ______ and/or _____ for grinding food
crop, gizzard
aves nitrogenous waste exits through the
cloacca
3 groups of mammalia
placental mammals, marsupials, monotremes
2 properties that define mammals
fur/hair, mammary glands
mammals have _____teeth which mean
diphyodont, differentiated
mammals have a _____that separates the thoracic and abdominal cavities
diaphragm
mammals have ____ kidneys
metanephric
3 type of glands in mammals
suderiferous, sebaceous, ceruminous
2 methods of thermoregulation in mammals
sweat glands and hair/fur
humans order
primates
humans family
hominidae
humans genus
homo
humans species
homo sapiens