Description of photoperiod
Give a brief description of photoperiod?
Expert
Photoperiod is daily time period of light exposure of living being. The photoperiod might differ according to period of year.
What is the function of the secretions of prostate, bulbourethral glands and the seminal vesicle within reproduction?
Regarding their size and basic morphology how and why do male and female gametes differentiate from each other?
List out the six criteria which are used to build the complete evolutionary branch of vertebrates?
Name the nitrogen waste in amphibian larvae and in an adult animal? Answer: As amphibian larvae are aquatic they excrete ammonia. While terrestrial adult excretes urea.
How reptiles and birds are different regarding the maintenance of the body temperature? Whether birds are rare in Polar Regions?
State the morphological trait of the molluscs at which the phylum is named?
Write down the protective structures of central nervous system present in the vertebrates?
Define the term Internal Marketing and what are the importance of Internal Marketing ?
How can the age of the tree be estimated from analysis of rings present on the cross section of stem?
Write down the difference between secondary ecological succession and primary ecological succession?
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