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Syeda answered 1 year(s) , 10 month(s) ago

Difference between non-chordates and chordates

Answer.

CHORDATES NONCHORDATES NOTOCHORD/VERTIBRAL COLOUMN PRESENT ABSENT POST ANAL TAIL PRESENT ABSENT CENTRAL NERVOUS SYSTEM DORSAL,HOLLOW,SINGLE VENTRAL,SOLID,DOUBLE

Asked by Surya rao

Jan 31

  • 4 Answers
  • 4 Likes
  • 29812 Views
Sanalkumar commented 4 year(s) , 2 month(s) ago

What is the difference between blind sac plan and tube-within-tube plan in animals?

Sol:
There are three body plans in an animals. Body plan is the structural arrangement of organs inside the body of an animal.These include cell aggregate plan, blind sac plan, tube-within a tube plan....

Asked by Sanalkumar

Feb 4

  • 1 Answer
  • 0 Like
  • 8551 Views
Sri answered 3 year(s) , 8 month(s) ago

What are Somaclones and its advantages?

Ans:The plants produced,that are genetically identical to the original(parent) plant are known as Somaclones.
To get genetically identical plants to the parent plant, we perform this technique
A...

Asked by Adithyan

May 6

  • 1 Answer
  • 0 Like
  • 5400 Views
Sanalkumar answered 4 year(s) , 2 month(s) ago

What is pseudocoelom?

IN SOME ANIMALS BODY CAVITY IS NOT LINED WITH MESODERM,INSTEAD MESODERM PRESENT S SMALL POUCHES IN BETWEEN ECTODERM AND ENDODERM.THIS IS CALLED PSEUDOCOELOM

Asked by Kasi

Mar 31

  • 2 Answers
  • 0 Like
  • 4993 Views
Aruna kavitha answered 3 year(s) , 7 month(s) ago

Draw a labelled diagram of the alimentary canal of a cockroach.

Sol:
Alimentary canal of cockroach

Asked by Adithyan

May 5

  • 1 Answer
  • 0 Like
  • 4806 Views
Aruna kavitha answered 4 year(s) , 8 month(s) ago

Rate of heart beat of a frog

Sol:
The vertebrate heart is myogenic. The heart beat originates within the heart without any influence of external stimulus.
 
Temperature, an external stimulus exerts certain effects o...

Asked by Shakti

Aug 7

  • 1 Answer
  • 0 Like
  • 3120 Views
Satyanarayana answered 4 year(s) , 9 month(s) ago

what does neurogenic heart refer to and in which phylum this property is visible?

Sol:
Neurogenic heart is the heart which requires nervous impulse to contract. There are a group of neurons present on the wall of the heart which induce heart beat. Neurogenic heart is seen in crustace...

Asked by Dr amitabh

Jun 24

  • 1 Answer
  • 0 Like
  • 2801 Views
Agam answered 1 year(s) , 5 month(s) ago

Draw a neat labelled diagram of neuron.

Asked by Adithyan

May 5

  • 3 Answers
  • 1 Like
  • 2738 Views
Sanalkumar commented 4 year(s) ago

What are the different adaptations of Ascaris lumbricoides?

Sol:
Ascaris lumbricoides is a nematode worm which leads a parasitic life in the intestine of man. Hence it is an endoparasite. 

*Body is long and round so that it can easily fit in the...

Asked by Sanalkumar

Mar 12

  • 1 Answer
  • 2 Likes
  • 2598 Views
Sanalkumar answered 4 year(s) , 4 month(s) ago

Name the largest group of animals

Arthropoda

Asked by Kasi

Mar 31

  • 2 Answers
  • 0 Like
  • 2044 Views
Sanalkumar answered 4 year(s) , 2 month(s) ago

What is meant by triploblastic organization?

AN UNDIFFERENTIATED LAYER MESOGLEA IS PRESENT IN BETWEEN ECTODERM AND ENDODERM.THIS TYPE OF ORGANISATION IS CALLED MESOGLEA.

Asked by Kasi

Mar 31

  • 2 Answers
  • 0 Like
  • 1416 Views
Sanalkumar answered 4 year(s) , 2 month(s) ago

Name any two social insects?

HONEYBEE,ANTS

Asked by Kasi

Apr 1

  • 3 Answers
  • 0 Like
  • 1324 Views
Aruna kavitha answered 4 year(s) , 7 month(s) ago

Ice -age

Sol:
There were many mammals in the ice-age. There also existed tiger like species called as saber-toothed cats which were also called as saber–toothed tigers.
   

  • 1 Answer
  • 0 Like
  • 1304 Views
Anjali answered 2 year(s) ago

What is mutualism? Mention any two examples where the organisms involved are commercially exploited in agriculture.

Mutualism is the interaction between two organisms where both are benefited
Examples where the organisms involved are commercially exploited in agriculture are:
i) Mycorrhizae:  Relationship bet...

Asked by Adithyan

May 6

  • 1 Answer
  • 0 Like
  • 1267 Views
Adithyan answered 4 year(s) , 4 month(s) ago

Five classes of vertibrates

The classes are cyclostomata,chondrichthyes,osticthyes,amphibia,reptilia,aves,and mammalia

Asked by Surya rao

Jan 31

  • 2 Answers
  • 1 Like
  • 1244 Views
Aruna kavitha answered 4 year(s) , 2 month(s) ago

What are the different flight adaptations of birds?

Sol:

Birds are warm blooded vertebrates which have many adaptations for flight. Thes are elucidated.
*Forelimbs are modified into wings which help in their flight.
*Wings are covere...

Asked by Sanalkumar

Jan 15

  • 1 Answer
  • 0 Like
  • 1231 Views
Ishan answered 2 year(s) , 2 month(s) ago

What is the Excretory organ of phylum Mollusks?

Snails, Clams, Oyster etc. phylum Mollusca is divided into 7 classes. Mollucs also have a well developed excretory system, using tubular  nephridia  organized as  kidneys , that collect liquid w...

Asked by Suraj

Aug 27

  • 1 Answer
  • 0 Like
  • 1058 Views
Surya rao answered 4 year(s) ago

Name any three parasitic insects?

Bedbug, Louse and mosquito.

Asked by Kasi

Apr 1

  • 2 Answers
  • 0 Like
  • 948 Views
Sanalkumar answered 4 year(s) , 4 month(s) ago

Poikilotherm

COLD BLOODED ANIMALS ARE TERMED AS POIKILOTHERMS,

Asked by Kasi

Apr 1

  • 3 Answers
  • 0 Like
  • 865 Views
Surya rao answered 4 year(s) ago

How many legs a scorpion and a spider have?

Four pairs in both

Asked by Kasi

Mar 31

  • 2 Answers
  • 0 Like
  • 797 Views
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