Shared Flashcard Set

Details

bio lecture 2 final
ch 32-40
99
Biology
Undergraduate 2
05/05/2014

Additional Biology Flashcards

 


 

Cards

Term
7 animal characteristics:
Definition

1) multicellular heterotroph

2) Cells lack cell walls

3) have nerves, can move (at some point)

4) reproduce sexually

5)Sensory structures, nervous system

6) extracellular matrix

7) cell junctions

Term
4 main morphological features of animal kingdom
Definition

1)Dif. tissue types

2) body semmetry

3) body cavity

4) embryonic development patterns

Term
Metazoa (all animals): specialized cells
Definition

divided into 2 categories

1)Parazoa

2)Eumetazoa

Term
Parazoa
Definition
No specialized tissues or organs ex: Porifera (sponges)
Term
Eumetazoa
Definition
More than 1 type of tissue and organs. Ex: Arthopoda (insects)
Term
Radial symmetry
Definition
diploblastic-2 layers
Term
bilateral symmetry
Definition
triploblastic- 3 layers
Term
bilateral animals have
Definition
cephalization (head & tail) dorsal & ventral sides
Term
true coelom
Definition
body cavity is completely lined with mesoderm. known as coelomates
Term
pseudocoelom
Definition
coelom is not completely lined with mesoderm. known as pseudocoelmates
Term
Ascoelmates
Definition
Lack body cavity entirely
Term
Hox genes
Definition
pattern maker
Term
Proifera
Definition
sponges
Term
cnidaria
Definition
Jellyfish
Term
platyhelminthes
Definition
flatworms
Term
lophophorates
Definition
sea mats sea moss
Term
Rotifera
Definition
wheel animals
Term
mollusca
Definition
mollusks
Term
annelids
Definition
segmented worms
Term
nematodes
Definition
round worms
Term
arthropods
Definition
insects
Term
echinodermata
Definition
sea stars, urchins, sand dollars, sea cucumbers
Term
chordata
Definition
mammals, fish, birds, reptiles, amphibians
Term
proifera
Definition
sponges. adults sessile (fixed in place), water flows out thru osculum. Choanocytes (endoderm) line sponge. mesohyl (mesoderm)between choanocytes & epithelial cells. Amoebocytes absorb food, digest it, and carry it to other cells
Term
Cnidaria
Definition
Jelly fish. Mesoglea connects layers
Term
Sessile polyp
Definition
tubular body with tentacles surrounding openings (mouth & anus) fixed.
Term
Motile medusa
Definition
Umbrella-shaped body with a mouth surrounded by tenticles
Term
Cnidocytes ( in tentacles) contain Nematocysts...a ...
Definition
stinger
Term
Ctenophoras
Definition
comb jellies. eight rows of cilia on surface. two long tentacles with out stinging cells. 1)colloblasts secrete sticky substance 2) first complete gut-mouth-anus 3)bioluminescent
Term
those with no coelom
Definition
platyhelminthes
Term
those that are pseudocoleom
Definition
nematodes and rotifers
Term
those with true coeloms
Definition
lophophorates, mollusks, annelids
Term
platyhelminthes
Definition
flat worms. first with 3 embryonic germ layers-triploblastic
Acoelomate-lacking fluid filled cavity
Term
trematoda
Definition
flukes,parasitic
1)complex life cycle with multiple hosts
2)Chinese liver fluke
3))blood flukes
Term
rotifers
Definition
pseuddocoelom. Protonephidia with flame bulbs
Term
parthenogenesis
Definition
unfertilized haploid eggs become degenerate males
Term
Lophophorates.
Definition
tube worms. all possess a lophophore which is a feeding device that also functions in respiration
Term
brachiopoda
Definition
used to be in the muscle class
Term
mollusca
Definition
has 3 body parts: foot, coelom, open cic. system
Term
gastropods
Definition
snails
Term
bivalves
Definition
2 shells (muscles, clams, oysters)
Term
cepgalopods
Definition
Squid, cuddlefish, octopus
Term
gastropods
Definition
snails
Term
annelids
Definition
body plan: 1) repition of components, provides back up 2) voelom acts as hydrostatic skeleton 3) permits specialization
Term
subclass Hirudinea
Definition
leeches, hirudin (anticoagulant) may be used in reattachment surgies
Term
Ecdysozoa (molting animals)
Definition
Have developmental options,such as morphing
Term
tagmata
Definition
fused body segments
Term
compound eyes
Definition
ommatidia
Term
class chelicerata
Definition
spiders, scorpions, ticks and mites
Term
crustacea
Definition
crabs, lobsters, shrimp, barnacles
Term
autonamy
Definition
intentionally detach body parts that will later regenerate
Term
4 distinguishing innovations
Definition
1)notochord-single, flexible rod
2)dorsal-hollow nerve cord
3)pharyngeal slits (for fish)or pouches
4)Postanal tails
Term
cephalochordata
Definition
lancelets
Term
urochordata
Definition
tunicates
Term
9 vertebrates classes
Definition
Term
Myxini
Definition
hagfish
Term
petromyzontida
Definition
lamprey
Term
chondrichthyes
Definition
cartilaginous fish
Term
actinopterygil
Definition
ray finned fish
Term
actinistia
Definition
coelancanth
Term
dipnoi
Definition
lungfish
Term
amphibia
Definition
amphibians
Term
reptilia
Definition
reptiles(crocs,gators) aves (birds)
Term
mammalia
Definition
mammals
Term
lampreys are agnathans meaning
Definition
jawless
Term
gnathostomes
Definition
jawed vertebrates
Term
chondricthyes
Definition
cartilaginous fish. composed of flexible cartilage. sharks teeth are not set into jaw
Term
oviparous
Definition
lay eggs
Term
ovoviparous
Definition
egg retained in female, no placenta
Term
viviparous
Definition
eggs developed in uterus, placenta nourishes young
Term
actinistia
Definition
coelacanths
Term
dipnoi
Definition
lungfish
Term
three features that differ from chondricthyes
Definition
1) bony skeleton
2) operculim (gill cover)
3) swim bladder for buoyancy
Term
tetrapods
Definition
walk on 4 legs. transistion to land meant: prevents desiccation, for movement and locomotion, allows reproduction on land possible
Term
amphibians use ___to force air into lungs
Definition
buccal pumping
Term
4 extra-embryonic membranes
Definition
1) amnion (innermost) protects embryo in amniotic cavity
2)yolk sac: yolk & nutrients
3)allantois:disposal of waste
4) chorion (outermost) with allantois for gas exchange
Term
Desiccation- resistant skin
thoracic breathing
water conserving kidneys
internal fertilization
Definition
other key inovations
Term
therapsids
Definition
became extinct 170mya, ancestor of warm blooded mammals
Term
thecodonts
Definition
cold-blooded line of reptiles
Term
crocodilias have a 4____
Definition
4 chambered heart
Term
class aves (birds) unique features to fly
Definition
feathers, air sacs, reduction of organs, lightweight skeleton
Term
birds also have
Definition
warm body temp, 4 chamber heart, acute vision, most are carnivores
Term
characteristics only to mammals
Definition
mammary glands that secrete milk, hair, specialized teeth, placenta, enlarged skull.
Term
characteristics of primates
Definition
grasping hands, opposing thumbs.
large brain
some digits, flat nails
binocular vision,
complex social behavior
Term
tribe hominini
Definition
humans and ancestors
Term
human evol
Definition
~6mya
split from primate progression
not neat process
1 or 2 species existed at 1 time
Term
tissues
Definition
specializes cells of a given type will cluster together. 4 types: 1) muscle 2)nervous 3) epithelial 4) connective
Term
muscle tissue
Definition
specialized to contract. 3 types: 1) skeletal--attached to bone or exoskeleton 2)smooth--surrounds hollow tubes and cavities 3) cardiac--only in heart
Term
nervous tissues
Definition
initiate new electrical signals, stimulate muscle, stimulate glands
Term
epithelial tissues
Definition
rest on basal lamina or basal membrane,
Term
connective tissues
Definition
connect, anchor, support. include blood, bone, cartilage.
Term
connective tissues form an extracellular matrix around cells to
Definition
1)provide scaffold for attachment
2) protects and cushions
3) provides mechanical strength
4) transmits information
Term
erythrocytes
Definition
red blood cells
Term
leucocytes
Definition
white blood cells
Term
fragments of megakaryocyte are called
Definition
platelets
Term
the protein that allows blood to clot
Definition
fibrin
Term
blood with removed cells
Definition
plasma
Term
blood with cell clots
Definition
serum
Term
main protein in bones
Definition
collagen
Supporting users have an ad free experience!