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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 metagenesis. Mention one example which exibit this phenomenon.
what is difference between gills AND BOOK GILLS
IS POREFERA TRIPLOBLASTIC OR DIPLOBLASTIC?
What is the mode of nutrition of archaebacteria?
JUSTIFY THIS STATEMENT - "All vertebrates r chordates but all chordates r not vertebrates".
WHAT ARE THE ECONOMIC IMPORTACCO OF PHYLUM ARTHROPODA?
In Humans, Rhesus condition can arise when,father is Rh+ and mother is Rh-father is Rh- and mother is Rh+either father or mother is Rh+either father or mother is Rh-
between intracellular and extracellular digestion?
BIRDS have monocondylic or dicondylic skull??
what is the difference between hemichordata and chordata?
Give one scientific term for the following:
1. Blood filled cavity in arthropods.
2.A collection of nerve cell bodies.
difference between polyp and medusa in tabular form
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
what is the importance of peripatus?
WRITE THE GENERAL CHARACTERS OF THE CLASS MAMMALIA.
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.
function of anal cirri in nereis ?
what is the difference between metamerism and segmentation ??
all vertebrates are chordates but all chordates are not vertebrates...explain in detail....3 marks...
what are the differences between mesoglea and mesoderm
Is there any connecting link between
1.Amphibians and Reptiles
2.Aves and Mammals
what is malpighian tubules ?
all vertebrates are chordates but all chordates are not vertebrates. justify.
is tree density positively correlated to mosquito densities?why?
1.]what is halophytic nutrition??
2.]what are sessile animals??
3.]what is spicules??
4.] what is an hermaphrodite organism??
why are earthoworm's called ploughman of nature?
what are choanocycles or collar cells?
difference between open type and closed type circulatory system in tabular form?
which is the most poisonous snake in the world?
why are urochordates called tunicates?
what is the function of muscular phaynx of aschelminthes ?
what is hypostome ( present in phylum cnidaria or phylum coelentereta)?
In the flow chart for Phylum Chordata
Urochordata and Cephalochordata are known as Protochordates not Prochordates !!!!!!!!!!!!!
what is metagenesis in CNIDARIANS?
What do direct and indirect development mean?
what does ossified endoskeleton mean?
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
NUTRITION IN CHONDRICHTHYES......?????
An example of Pseudocoelom.
what is hypostome?
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?
wht are vertebrates and invertebrates
Difference between Tortoise(Testudo) and Turtle(Chelone) ?
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