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what is the difference between radial symmetry and bilateral symmetry since in both the body has to be divided into two equal halves.
The first largest phylum is Phyllum arthroproda and the second is phyllum mollusca,then which is the third one?
BIRDS have monocondylic or dicondylic skull??
what are book lungs and book gills?
difference between unisexual and bisexual reproduction
WHAT ARE THE AERIAL ADAPTATIONS IN BIRDS?
what is difference between gills AND BOOK GILLS
IS POREFERA TRIPLOBLASTIC OR DIPLOBLASTIC?
JUSTIFY THIS STATEMENT - "All vertebrates r chordates but all chordates r not vertebrates".
WHAT ARE THE ECONOMIC IMPORTACCO OF PHYLUM ARTHROPODA?
what is thesocytes,pinacocytes and archaeocytes?pls send the answers on my registered mobile number:+919062333008,if possible.
between intracellular and extracellular digestion?
what is the function of muscular phaynx of aschelminthes ?
what is the difference between hemichordata and chordata?
difference between polyp and medusa in tabular form
Give one scientific term for the following:
1. Blood filled cavity in arthropods.
2.A collection of nerve cell bodies.
what is the differnece between vector and carrier??
Name a living fossil and a gregarious pest.
calculate the number of molecules present in 22g of carbon dioxide
WRITE THE GENERAL CHARACTERS OF THE CLASS MAMMALIA.
what is blind sac body plan ?
what is the difference between metamerism and segmentation ??
all vertebrates are chordates but all chordates are not vertebrates...explain in detail....3 marks...
What is the mode of nutrition of archaebacteria?
what are the differences between mesoglea and mesoderm
what is malpighian tubules ?
is tree density positively correlated to mosquito densities?why?
What is true coelom?
1.]what is halophytic nutrition??
2.]what are sessile animals??
3.]what is spicules??
4.] what is an hermaphrodite organism??
what are choanocycles or collar cells?
function of anal cirri in nereis ?
difference between open type and closed type circulatory system in tabular form?
which is the most poisonous snake in the world?
why are earthoworm's called ploughman of nature?
why are urochordates called tunicates?
At one time sponges were classified as plants. Why?
In the flow chart for Phylum Chordata
Urochordata and Cephalochordata are known as Protochordates not Prochordates !!!!!!!!!!!!!
what is hypostome ( present in phylum cnidaria or phylum coelentereta)?
What do direct and indirect development mean?
In arthropods , is digestion intracellular? is the digestive system complete?
what does ossified endoskeleton mean?
phylum coelenterata are sessile. what is sessile?
what is metagenesis in CNIDARIANS?
what is thallus?
circulatory system of cockroach differs from that of the earth worm in:
1) lacking capillary network
2) lacking large blood vessels
3) possessing valves in large blood vessels
4) having a higher speed of circulation
Mammals are the most successful and dominant animals. Provide any four evidences in favour this statement.
An example of Pseudocoelom.
animal possessing dry and cornified skin
Is there any connecting link between
1.Amphibians and Reptiles
2.Aves and Mammals
all vertebrates are chordates but all chordates are not vertebrates. justify.
plz show me diagram of wuchereria (filarial worm) plz plz plz help me .
Justify the statement"Mmmalia are the most succesful and dominat animal today" ?
wat kind of fertilisation takes place in annelids molluscsechinodermata
What are the characteristics of phylum-porifera?
wht are vertebrates and invertebrates
Difference between Tortoise(Testudo) and Turtle(Chelone) ?
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