lab practical 2 Flashcards
what type of living conditions are arthropods
terrestrial, aquatice, fossorial and aerial
how do starfish stick to surfaces
pedicillaria
phylum, subphylum, class
echinodermata
eleutherozoa
holothuroidea
function of metameres
more precise body movements and duplication of internal parts
nephridial pore is used for
excrete material to outside
dentallium class?
scaphopoda
what type of cavities do arthropodas have
eucoelomates true body cavity
what is the radula used for
feeding
trocophore
veliger
what is in the head foot region
feeding, special sensory, locomotion structures
phylum,subphylum,class
arthropoda
myriapoda
diplopoda
phylum, class and genus
mollusca
polyplacophora
chiton
what type of symmetry do echinodermatas have
radial symmetry
label female reproductive system in order
ovary, oviduct, uterus, vagina, genital pore
ecdysis
molting process
ditritivore
eats decaying matter
phylum,subphylum,class and genus
echinodermata
eleutherozoa
asteroidea
echinaster
what type of stome are echinodermatas
deuterostome
phylum and class
mollusca
gastropoda
what type of skeleton do annelidas have
hydrostatic/ hydraulic
phylum annelida are
segmented worms
eutelic
every adult has same number of cells in body
helix class?
gastropoda
what are the two regions of a mollusc
head/foot and visceral mass
sepia class?
cephalopoda
phylum and class
mollusca
gastropoda
how annelida muscles work
circular and longitudinal muscles work in conjunction with one another to produce a change in segment shape
how do setae work with movement in annelida
in back it will put out setae to anchor into soil, allowing front to move forward. setae in front then anchors, the back muscles contract and pushes back forward
myriapoda have how many tagmata
2 head and trunk
describe male of nematodes
smaller, not wide, not long hooked end
phylum, subphylum, class and genus
arthropoda
chelicerata
merostomata
limulus
primary function of the mantle in molluscs
provide protection of the soft body
uniramus
unbranched appendages
deuterostome
anus develops from the first opening in the embryo and the mouth develops later
what type of fertilization is echinodermatas
external fertilization
phylum and class
Mollusca and scaphopoda
phylum,subphylum,class,order
arthropoda
hexapoda
insecta
orthoptera
what is segmentation
repeating body segments
the coelom surrounds what in the molluscs
heart and kidneys
phylum, subphylum, class
echinodermata
eleutherozoa
ophiuroidea
phylum and class
mollusca
gastropoda
phylum and class
mollusca and gastropoda
what is dimorphic
male and female do not look alike
function of crop
temporary storage
annelids go through what type of fertilization
monoecious and dioecious
phylum and class
mollusca
cephalopoda
list digestion track for grasshopper
mouth, pharynx, esophagus, crop, gizzard, gastric caecae, stomach, mapighian tubules, intestine, anus
phylum
nematoda
hookworm
are there cilia or flagella present in nematodes
no
is there a body cavity in nematodes
yes, pseudocoelomate
what type of cavity do annelidas have
eucoelomate
why not true body cavity in nematodes
not completely enclosed in tissues developed by mesoderm allow more room for development of more organs
phylum
genus
nematoda
ascaris
phylum nematoda is known as
roundworms
phylum and class
mollusca
cephalopoda
what type of ecious is annelidas
monoecious
what “ecious” is nematodes
dioecious
lumbricus class?
oligochaeta
what are tagmata
functional clusters of body segments
phylum,subphylum, class
echinodermata
pelmatozoa
crinoidea
autotomy
intentional loss of a body part to escape preditation and regenerate limbs
list digestive tract of annelidas in order
mouth, pharynx, esophagus, crop, gizzard, intestine, anus
what is the largest animal phylum
phylum arthropoda
phylum, subphylum and class
echinodermata
eleutherozoa
echinoidea
phylum and class
annelida
hirudinea
octopus class?
cephalopoda
what is the body cavity lined with in a mollusca
peritoneum
what is used for filtering in annelidas
nephridia excretory system
nautilus class?
cephalopoda
phylum and class
mollusca
cephalopoda
where is heart located in annelidas
aortic arches
where are muscles attatched to in arthropoda
exoskeleton
what type of food do echinodermatas eat
predators, detritivores, and herbivores
how is the endoskeleton made up
made of units linked together, spicuoles but actually ossicles
hirudo class?
hirudinea
what type of body cavity do echinodermatas have
eucoelomate
loligo class?
cephalopoda
hydrostatic skeleton provides
nematode form and greater freedom of movement since filled with water like a balloon
what phylum is ascaris in
nematoda
ptychobranchus class?
bivalvia
what is metamerism
segmentation
phylum, subphylum, class
arthropoda
crustacea
malacostraca
what type of muscles do nematodes have
longitudinal muscles
digestive system in nematoda
complete digestion system
phylum and class
mollusca
bivalvia
ancestral larvae
derived larvae
ostrea class?
bivalvia
biramus
branched appendages
are circulatory or respiratory systems present in nematodes
no
busycon class?
gastropoda
nereis class?
polychaeta
phylum, subphylum and class
arthropoda
chelicerata
arachnida
what type of body cavity do phylum mollusca
eucoelomates
somite
body segment
what type of skeleton arthropoda
exoskeleton
phylum and class
annelida
polychaeta
what does the nervous system entail in echinodermata
nerve ring, radial nerves, and few specialized sense organs
is digestive system complete in starfish
mostly but specialized organs is reduced
what does hydrostatic/hydraulic skeleton mean
completely enclosed, to squeeze water with help of muscle
phylum
nematoda
trichinella
function of gizzard
grinding food
type of germ layers in nematodes
triploblastic
pseudocoelomates
false cavity
what type of muscles do annelidas have
circular and longitudinal
symmetry of nematodes
bilateral
phylum,subphylum,class
echinodermata
eleutherozoa
echinoidea
what type of ecious is echinodermatas
dioecious
phylum, class and genus
mollusca
bivalvia
ptychobranchus
millipede
2 pairs of legs per segment slow, docile, herbavore poorly developed head
describe female of nematodes
long and large
label male reproductive system in order
testis, sperm duct, seminal vesicles
how does respiratory system work in echinodermatas
diffusion on surface with branchiae
haliotis class?
gastropoda
what are endoskeletons made of in echinodermatas
calcium carbonate
phylum, class and genus
annelida
oligochaeta
lumbricus
eucoelomates
true body cavity
do annelidas have digestive tracts
yes compelete
phylum and class and genus
mollusca
cephalopoda
loligo
how is circulation carried out in echinodermatas
coelomic fluid
centipede
1 pair of appendages per segment very active/quick carnivore venomous well developed head
phylum, subphylum, class
arthropoda
myriapoda
chilopoda
phylum,subphylum,class and genus
arthropoda
crustacea
malacostraca
cambarus
mantles secrete what
a shell
what type of nervous system does annelidas have
supraganglion and ventral ganglion
what are bristles
setae
what phylum is ancylostoma in
nematoda
chiton class?
polypplacophora
what phylum is trichnella in
nematoda
limax class?
gastropoda
what type skeleton do echinodermatas have
endoskeleton
where does water flow in starfish
madreporite, stone canal, ring canal, radial canal, lateral canal, ampulla
what systems are reduced in an echinodermata
digestive tract, circulatory, nervous system
what does the visceral mass contain
digestive, excretory, circulatory, respiratory, and reproductive organs
acoelomates
absent body cavity
