( 1 ) On What is the natural method of animal classification based ? ( ii ) On which criteria is system of classification given by Robert Whittaker based upon ? ( iii ) All vertebrates are chordates but all chordates are not vertebrates Why ? ( iv ) What is the exact difference between grades of organization symmetry ? Explain with examples . ( v ) What are the benefits of classification ?
Answers
environmental 1.
plantae and animalia 2.
In sub-phylum Vertebrata, the notochord present in embryos gets replaced by a cartilaginous or bony vertebral column in adults. ... Thus, it can be said that all vertebrates are chordates but all chordates are not vertebrates. 3.
The different levels of organization are as follows:
Cellular level of organization (Example: Porifera)
Tissue level of organization (Example: Coelenterata)
Organ level of organization (Example: Platyhelminthes)
Organ system level of organization (Examples: Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata and chordates) 4.
Using one or more classification schemes for the classification of a collection of objects has many benefits. Some of these include: It allows a user to find an individual object quickly on the basis of its kind or group. It makes it easier to detect duplicate objects. 5..
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