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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".
Name a living fossil and a gregarious pest.
WHAT ARE THE ECONOMIC IMPORTACCO OF PHYLUM ARTHROPODA?
between intracellular and extracellular digestion?
Is development direct in chondrichthyes?
what is the difference between hemichordata and chordata?
difference between polyp and medusa in tabular form
what is the differnece between vector and carrier??
Give one scientific term for the following:
1. Blood filled cavity in arthropods.
2.A collection of nerve cell bodies.
calculate the number of molecules present in 22g of carbon dioxide
WITH WHICH PHYLUM IS HAEMOCOEL RELATED
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 thesocytes,pinacocytes and archaeocytes?pls send the answers on my registered mobile number:+919062333008,if possible.
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 the function of muscular phaynx of aschelminthes ?
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?
difference between open type and closed type circulatory system in tabular form?
why are earthoworm's called ploughman of nature?
which is the most poisonous snake in the world?
what is thallus?
why are urochordates called tunicates?
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?
what does ossified endoskeleton mean?
In cyclostomes ....are sexes separate and is development direct or indirect?
what is metagenesis in CNIDARIANS?
phylum coelenterata are sessile. what is sessile?
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
An example of Pseudocoelom.
What is the difference between cnidaria and ctenophores? Is ctenophore a part of coelenterata too? Please give complete information
name the class of fish where tail fin is heterocercal and fertilisation is internal.
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" ?
What are the characteristics of phylum-porifera?
At one time sponges were classified as plants. Why?
wht are vertebrates and invertebrates
Difference between Tortoise(Testudo) and Turtle(Chelone) ?
wht is the function of comb plates in pleurobrachia? plz help!!
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