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What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?

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प्रश्न

What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?

संक्षेप में उत्तर
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उत्तर

For the classification of living organisms, common fundamental characteristics are considered.

  1. If we consider specific characteristics, then each organism will be placed in a separate group, and the entire objective of classification would not be achieved.
  2. The classification of animals is also important in comparing different organisms and judging their individual evolutionary significance. If only a single characteristic is considered, then this objective would not be achieved.
  3. It will be difficult to establish mutual relationships between living beings.
  4. Other animal species cannot be developed.
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अध्याय 4: Animal Kingdom - EXERCISES [पृष्ठ ५३]

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एनसीईआरटी Biology [English] Class 11
अध्याय 4 Animal Kingdom
EXERCISES | Q 1. | पृष्ठ ५३

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

How do poriferan animals differ from coelenterate animals?


What are the differences between animals belonging to the Aves group and those in the mammalia group?


Prepare a list of some animals that are found parasitic on human beings.


Write one difference between the following pair: 

Invertebrates and Vertebrates  


What is difference between bilateral symmetry and radial symmetry?


What do you mean by the term coelomate animals?


What are adaptations in fishes due to which they are aquatic?


Write down four characters of Osteichtyes.es.


Write down four characters of mammals.


Give one point of difference between notochord and nerve cord.


How do animals of Porifera differ from animals of Cnidaria?


Write down four general characters of Porifera.


Write down four general characters of cnidarians (coelenterates).


Explain general characteristics of phylum Platyhelminthes.


Explain the general charaters of phylum Mollusca.


Rewrite the following scientific names correctly.

ficus religiosa (peepal), zea Mays (maize) and Bombyx Mori (silk moth).


What are the group names of the following categories of animals?

Animals with a hairy skin ___________


Give any one difference between the following :

Insecta and Arachnida


Give any one difference between the following :

Flatworm and Roundworm


Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.

Grasshopper-Wings, trachea, proboscis


Match the names of animal groups in Column I with the names of animals in column II. 

Column I (Group)

Column II (Animals)

Annelida

Pigeon

Porifera

Snake

Mollusca

Earthworm

Reptilia

Sponge

Amphibia

Octopus

Pisces

Trout

Mammal

Rabbit

Which names are left out that do not match and why?


TYRANNOSAURUS

(One of the extinct animals which lived on the Earth about 100,000,000 years ago) Tyrannosaurus was about six meters long and it preyed upon other animals.

What do you think about its classification-was it an amphibian, a reptile or a mammal?

Can you call it a relative of Kangaroo? Yes/No. Give reason


Give two examples of each of the following: Arthropoda


Choose the correct answer: Mosquito is included in insects because


Choose the correct answer: Jelly-fish is classified in the phylum


Choose the correct answer: The animal of phylum protozoa is


Choose the correct answer: The animal of class pisces is


Choose the correct answer: Which of the following is not a helminth parasite?


Choose the correct answer: Whittaker is famous


Choose the correct answer: Protista is the link between


Choose the correct answer: 'Systema naturae' has been written by


The binomial name of onion is ______.


What is binomial nomenclature?


Assertion (A): Reptiles are warm-blooded animals.
Reason (R): They have scales.


Select the INCORRECT statement from the following.


Kingdom Animalia is characterized by


Consider the following statements:

  1. Annelids are true coelomates
  2. Poriferans are pseudocoelomates
  3. Aschelminthes are acoelomates
  4. Platyhelminthes are pseudocoelomates

Choose the correct answer from the options given below:


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