animal kingdom Flashcards
phylum with incomplete digestive system
platyhelminthes
cellular level
porifera
tissue level
colenterata and ctenphora
organ system
aschelminthes to chordates
features of porifera
diploblastic sponges
water transport or canal system helpful in food gathering, respiratory exchange and waste removal
choanocytes or collar cells
hermaphrodite
spicules or spongin fibers
internal fertilisation and indirect development
s
examples of porifera
sycon
spongilla
euspongia
colenterata
marine
cnidoblasts contain nematocyts used in anchorage defence and capture
polyps are sessile and cylindrical
medusa is freeliving and umbrella shaped
polyps produce medusa asexually and medusa produce polyps sexually
radially symmetrical
mouth on the hypostome
corals made from calcium carbonate
ctenophora
diploblastic
sea walnuts or comb jellies
8 rows of external ciliated comb plates that help in locomotion
extracellular and intarcellular digestion
onlly sexual reproduction external and indirect development
bioluminescence
examples of ctenophora
pleurobrachia and ctenoplana
platyhelminthes
flat worms
dorso ventrally flattened bodies
ectoparasites
hooks and suckers and sometimes nutrients are directly absorbed from the host
flame cells help in osmoregulation and excretion
development through many larval stages
property of planaria
high regeneration capacity
aschelminthes
triploblastic and pseudocolemate
muscalr pharynx
exctertory tube removes waste through excretory pores
dioecious
interal and direct or indirect
annelids
metamerically symmetrical
longitudanal and circular muscles
nephridia help in somoregulation and excretion
what do nereis posses
lateral appendages called parapodia for swimming
nervous system of nereis
paired ganglia connected by lateral nerves to a double ventral nerve cord
sexes of annelida
nereis is dioecious but earthworm and leeches are mono
largest phylum
2/3rd of all animals belong to arthopods
exoskeleton of arthopods
chitinous
respiratory organs of arthopods
book gills, book lungs, gills and tracheal system
sensory and balancing organs are
compound eyes , simple eyes, antennae and statocysts
economically imp
lacifer
bombyx
and apis
molluscs
terrestial or aquatic
unsegmented
coelomate
head muscular foot and visceral hump
diecious oviparous and indirect
feature of mollusc
mantle cavity where feather like gills are present that help in excretion and respiration
radulla helps in feeding
feature of mollusc
mantle cavity where feather like gills are present that help in excretion and respiration
radulla helps in feeding
pila
apple snail
octopus
devil fish