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Tracheae - Respiration
Insects that have successfully colonised the terrestrial environment have evolved a respiratory system very different from other land animals - the tracheal system. Apart from insects other arthropods, such as millipedes, centipedes, a few arachnids and terrestrial crustaceans have tracheae as respiratory organs.
What is a species? A species is a set of living beings able to cross between themselves generating fertile offspring. This concept though does not apply to individuals of ex
Define protein requirements of children up to age of 2 years? Infants and children up to age of 2 years should consume about 40% energy from fat (i.e. 40 en%). Fat is an import
There is a population of 100 frogs. 20 are heterozygotes, 30 are homozygous recessive, 25 are homozygous dominate. What is the frequency of the dominate allele? The recessive allel
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WHAT IS THERE BETWEEN THE TRACHEA OF COCKROACH AND RABBIT
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Phosphate detergent as cause of water pollution
Phylum Bryophyta The Bryophytes include the mosses and their close relatives. They are widely diverse and grow in a variety of place. 1) Life cycle shows alternation of gene
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