Animal kingdom Flashcards
How many phylum kingdom animalia has
10
Body of sponges is supported by a skeleton made up of
Spicules or sponging fibres
Water enters through what and leaves through what in sponges
Ostia and osculum
Coelenterata exhibit two main body forms which are
Polyp and medusa
Four classes of platyhelmintis
Tubellaria
Cestoda
Trematoda
Monogenea
Examples of sponges
Bath sponge(euspongia
Spongilla
Coenlenterata characteristics
Radially symmetrical
Diploblastic
Tissue level of organization
Special characteristics exhibited by ctenophora
Bioluminescence
What helps ctenophora in locomotion
Eight rows of external ciliated comb plates
What is cnidoblasts used for in phylum cnidaria
For anchorage,defence,capturing prey
What adhesive material replace cnidoblasts in ctenophora to capture prey
Colloblasts
examplesof ctenophora
Pleurobrachia,ctenoplana
Examples of cnidaria
Aurelia(jellyfish), physalia(Portuguese man of war),adamsia(Sea anemone
Characteristics of phylum platyheliminthes
° Bilaterally symmetrical
°diploblastic
°acoelomates(without body cavity
°organ level of organisation
Excretory system In platyhelminthes
Flame cells
Nervous system of platyhelminthes
Two cerebral ganglia
Th3 class of platyhelmintes that undergoes asexual reproduction
Tubelleria(flatworm)
The only class of platyhelminthes that’s an endoparasitw with hooks
Cestoda(tapeworm)
Characteristics of phylum aschelminthes
Cylindrical body
Bilaterally symmetrical
Pseudocoelomate
Triploblastic
Sexes are seperate
Fertilisation is internal
The worm responsible for causing itching if anal are in children
Esterobius belonging to phylum nematode,class oxyuroidea
Worm responsible for causing ascariasis
Ascasris worm phylum nematode,class ascaroidea
Worm responsible for causing elephantiasis
Wucheria class nematode, order filaroidea
Some characteristics of phylum annelida
Bilaterally symmetrical
Coelomates
Body segmented into metameres
Triploblastic
Well developed digestive,excretory system
Closed circulatory system
Body covered by thin cuticle
Only class of angelica that contains clitellum
Oligochaeta(earthworm)
classes of annelida
Polychaeta,herudinae
Example of polychaeta
Nereis
What is a clitellum in annelida
A reproductive structure that secretes mucus which aids in sperms transfer and produces cocoon where fertilisation takes place.
Organs of movement in annelida and class that possesses it
Parapodia, polychaeta
Chitinous setae,oligochaeta
Largest and second largest phyal of the animal kingdom
Arthropods and mollusca
Are arthropods segmented?
Yes into head, thorax,abdomen
Why arthropods are the most diverse phylum of animal kingdom
Wings,possession of compound eyes for sight, small size,ability to reproduce largely, exists in colonies, protective colouration,sensory systems
Are molluscs segmented?
No, possess head,muscular foot and visceral mass
What covers the visceral mass?
Mantle
Biological name of devil fish
Octupus
Biological name of apple snail
Pila
What substance is the snail shell made up of
Caco3
Space between mantle and shell is called
Mantle cavity