Constiutuent of air
Specify the constitution of the air before the life of originon the earth?
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The constituent of earth’s atmosphere was basically include:
a) Methane, b) Ammonia c) Hydrogen, and d) Water vapor.
What are the major cytoplasmic structures existed in animal cells?
Why is pH regulation significant for living beings? How do mineral salts contribute in this regulation?
Regarding tissue complexity how distinct are the cnidarians from poriferans?
Define the term bacteriophages?
How position of the stomata changed in some plants in order to prevent the excessive loss of the water through transpiration?
What is the significance of water for an enzymatic activity?
Which animal practise the cutaneous respiration?
After the morula phase what is the next phase? What is the morphological feature which states that phase?
What is role performed by the pneumatic bones?
In which subphyla are the protochordates separated? Write down some representatives of each protochordate subphylum?
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