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How are the excretory systems of the three main arthropod classes constituted?
In crustaceans a pair of excretory organs known as green glands exists. The green glands collect residuals from the blood and other parts of the body. They are linked by ducts to excretory pores located under the base of the antennae and these pores release the excretions outside.
In insects small structures known as malpighian tubules gather wastes from the blood and throw them into excretory ducts that open in the intestine. In these animals excretions are eliminated together with feces.
What are biotic factors? Biotic factors are living beings (plants, microorganisms and animals) that are part of a given environment.
What are the classes into which the phylum Arthropoda is divided? What are the three main ones and some of their representative species? The three major classes of arthropods a
Anther Dehiscence and Pollen Transfer Anther Dehiscence Anther dehiscence simply means the release of pollen grains from dry and mature anthers. It involves the rupturi
At 1 AM, a healthy squid giant axon is placed in a bath of normal squid physiological extracellular saline and is internally perfused with normal squid intracellular saline.
Germ layer theory
What is Muscular dystrophy Muscular dystrophy :- Defects in the muscle due to faulty nutrition.
DNA replication in eukaryotes is much more complex than in prokaryotes while there are various same aspects. The Eukaryotic cells can only initiate DNA replication at a particular
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Which of the following results from the elimination of DNA helicase activity in a cell? A. The melting of the DNA double helix at the site of replication initiation will fail t
Q Which are the beings that form the kingdom Animalia? What are the two big groups into which this kingdom is divided? The kingdom Animalia is the animal kingdom. usually the k
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