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  • CHARACTERSTICS OF (FORPRACTICALS) :
  1. THALLOPHYTA,BRYOPHYTA,PTERIDOPHYTA,AGARICUS,GYMNOSPERM,AN ANGIOSPERM [PLANTAE&FUNGI]
  2. EARTHWORM{ANNELIDA},COCKROACH{ARTHROPODA},BONY FISH {CHORDATA},BIRD{AVES}

Asked by aninadathoorsridharan 27th January 2016, 5:07 PM
Answered by Expert
Answer:

Hi Rangaramanujam,

DIVISION

CHARACTERISTICS

 

Division Thallophyta

  • Plants have an irregularly shaped, undifferentiated body called thallus.
  • Predominantly aquatic.

 

Division Bryophyta

  • Plant body is either in the form of an undifferentiated thallus or in the form of leafy erect structures.
  • No specialised tissue for the conduction of water and other substances from one part of the plant body to another.

Division Pteridophyta

  • Plant body is differentiated into stem, leaves and roots.
  • Have specialised tissue for the conduction of water and other substances from one part of the plant body to another.

Division Gymnospermae 

  • Bear naked seeds.
  • Usually perennial, evergreen and woody.

Division Angiospermae

  • Plant body produces seeds which are enclosed within the fruits.
  • Based on the number of cotyledons, angiosperms are divided into two classes—monocots and dicots.

 

Annelida

  • The body is cylindrical and divided into ring-like segments.
  • Have a true body cavity called coelom, present between the body wall and the digestive tube, which is filled with coelomic fluid.

Arthropoda

  • Have jointed limbs, one pair each on some or on all body segments.
  • Have an exoskeleton made of chitin but lack cilia.

Aves

 

  • All birds belong to Class Aves.
  • Warm-blooded or homeothermic animals.
  • Heart is four-chambered.

Pisces

 

  • Organisms belonging to Class Pisces are fish.
  • They are cold-blooded or poikilothermic animals.
Answered by Expert 27th January 2016, 6:00 PM
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