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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?
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?
What is the difference between cnidaria and ctenophores? Is ctenophore a part of coelenterata too? Please give complete information
JUSTIFY THIS STATEMENT - "All vertebrates r chordates but all chordates r not vertebrates".
Give True or False.
a) Gymnosperms differ from Angiosperms in having covered seed.
b) Non-flowering plants are called Crytogamae.
c) Bryophutes have conducting tissue.
d) Funaria is a moss.
e) Compound leaves are found in many ferns.
f) Seeds contain embryo.
WHAT ARE THE ECONOMIC IMPORTACCO OF PHYLUM ARTHROPODA?
Is development direct in chondrichthyes?
between intracellular and extracellular digestion?
BIRDS have monocondylic or dicondylic skull??
difference between polyp and medusa in tabular form
what is the difference between hemichordata and chordata?
what are ostia?
what is the differnece between vector and carrier??
what is blind sac body plan ?
calculate the number of molecules present in 22g of carbon dioxide
WRITE THE GENERAL CHARACTERS OF THE CLASS MAMMALIA.
function of anal cirri in nereis ?
What is the mode of nutrition of archaebacteria?
what are the differences between mesoglea and mesoderm
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 malpighian tubules ?
is tree density positively correlated to mosquito densities?why?
why is octopus kept in phylum mollusca???????
it dosent have any shell????????
Is cnidaria hermaphrodite?
why are urochordates called tunicates?
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?
in ascidia, is notochord present in adult also
difference between open type and closed type circulatory system in tabular form?
what is meant by visceral hump?
which is the most poisonous snake in the world?
what is hypostome ( present in phylum cnidaria or phylum coelentereta)?
what is thallus?
In the flow chart for Phylum Chordata
Urochordata and Cephalochordata are known as Protochordates not Prochordates !!!!!!!!!!!!!
what is metagenesis in CNIDARIANS?
what is the meaning of post anal tail in phylum chordate?
what does ossified endoskeleton mean?
Is there any connecting link between
1.Amphibians and Reptiles
2.Aves and Mammals
What do direct and indirect development mean?
RADIAL SYMMETRY IS NOT FOUND IN .....1] HYDRA 2] STARFISH 3] SPONGE 4] SPIDER
Give one scientific term for the following:
1. Blood filled cavity in arthropods.
2.A collection of nerve cell bodies.
Mention the main distinguishing features of amphibians, reptiles and aves.
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.
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?
what is the meanig of intracellular ?
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