Explain how chordates reproduce
Explain how chordates reproduce?
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The reproduction in beings of phylum Chordata is sexual, with the exemption of urochordates which can as well reproduce asexually. In certain classes (that is, osteichthyes fishes, cyclostomes, and amphibians) there is larval phase. With rare exceptions, amphibians, fishes, reptiles and monotreme mammals are oviparous, egg-laying (that is, embryos develop in eggs and exterior to the mother’s body) and marsupial and placental mammals are viviparous (that is, embryos develop within the mother’s body, feeding from her).
Name the final energetic products of each and every round of Krebs cycle? Where is main part of the utile energy at end of Krebs cycle found?
Briefly state all the symptoms of the myxoedema?
Subsequent to digestion the later step is absorption completed by cells of the mucous membrane of intestine. For this task a big absorption surface is a benefit. How is it probable in the small interior space of the body of a pluricellular organism to exist a big inte
State whether fecundation within mammals is internal or external?
Write down the constitution of endocrine system?
How large size of some cephalopods related to the type of circulatory system they present?
Specify the formula of the net primary production (NPP)? Explain in detail. How NPP does is related to the energy pyramids?
Does hypophysis-ovaries endocrine axis work in the same way during the pregnancy as in the non-pregnant women? In case the pregnancy does not occur, how does another menstrual cycle start?
Give a brief explanation of immuno fluorescence.
According to the body division, how are the three main arthropod groups characterized?
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