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MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
cÖvwYicwiwPwZ
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
* Hydra –āĻ°āĻŦāĻš āĻŋāĻƒāĻ• ā§‹āĻˇā§€ā§ŸāĻ–ā§‹āĻĻā§āĻ¯ āĻĒāĻšāĻ°āĻĒā§‹ āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹
āĻŦāĻ˛āĻ•ā§‡āĻĒā§‹āĻ°āĻ•āĻŦ
* Hydra –āĻ°āĻ…āĻ¨ā§āĻ¤āĻŋāĻƒāĻ• ā§‹āĻˇā§€ā§ŸāĻ–ā§‹āĻĻā§āĻ¯āĻĒāĻšāĻ°āĻĒā§‹ āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹
āĻŦāĻ˛āĻ•ā§‡āĻĒā§‹āĻ°āĻ•āĻŦ
*āĻĒāĻšāĻ°āĻĒā§‹āĻ• āĻ° āĻ¸āĻ‚āĻœā§āĻžā§‹ āĻŦāĻ˛āĻ•ā§‡ āĻĒā§‹āĻ°āĻ•āĻŦ
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
āĻ¯ā§‡ āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹ā§ŸāĻ–ā§‹āĻĻā§āĻ¯ āĻ—ā§āĻ° āĻ¨, āĻ–ā§‹āĻĻā§āĻ¯ āĻĒāĻšāĻ°āĻĒā§‹ , āĻ–ā§‹āĻĻā§āĻ¯ āĻ¸ā§‹āĻ°
āĻĒāĻšāĻ°āĻ• ā§‹āĻˇāĻŖ, āĻ†āĻ¤ā§āĻ¤ā§€ āĻ°āĻŖ āĻ“ āĻ…āĻĒā§‹āĻšā§āĻ¯ āĻ…āĻ‚ āĻ¯āĻĻā§āĻ• āĻ°
āĻŦā§‹āĻ‡āĻ•āĻ° āĻšāĻ¨āĻ°ā§āĻ—āĻŽāĻ¨ āĻ•āĻ° ā§‡ā§‹āĻ• āĻĒā§āĻšāĻŋ āĻŦāĻ•āĻ˛āĨ¤
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
Hydra
āĻ° āĻĒā§āĻšāĻŋ
āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹
ā§§āĨ¤ āĻ–ā§‹āĻĻā§āĻ¯
āĻ—ā§āĻ° āĻŖ
ā§ĢāĨ¤ āĻ…āĻĒā§‹āĻšā§āĻ¯
āĻ…āĻ‚
āĻšāĻ¨āĻˇā§āĻ•ā§‹ āĻ¨
ā§ĒāĨ¤
āĻ†āĻ¤ā§āĻ¤ā§€ āĻ°āĻŖ
ā§ŠāĨ¤ āĻ–ā§‹āĻĻā§āĻ¯
āĻ¸ā§‹āĻ°
āĻĒāĻšāĻ°āĻ• ā§‹āĻˇāĻŖ
ā§¨āĨ¤ āĻ–ā§‹āĻĻā§āĻ¯
āĻĒāĻšāĻ°āĻĒā§‹
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
ā§§āĨ¤ āĻŦāĻš :āĻ¯ ā§‹āĻˇā§€ā§Ÿ āĻĒāĻšāĻ°āĻĒā§‹
ā§¨āĨ¤ āĻ…āĻ¨ā§āĻ¤:āĻ¯ ā§‹āĻˇā§€ā§Ÿ āĻĒāĻšāĻ°āĻĒā§‹
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
āĻ–ā§‹āĻĻā§āĻ¯āĻ¸ā§‹āĻ° āĻ¯ ā§‹āĻ•āĻˇāĻ° āĻ¸ā§‹āĻ‡āĻ• ā§‹āĻĒā§āĻ˛ā§‹āĻœāĻŽ ā§‡āĻ¤āĻ— āĻ¸āĻ°ā§‹āĻ¸āĻšāĻ° āĻĒāĻšāĻ°āĻ• ā§‹āĻšāĻˇā§‡ ā§Ÿ
āĻāĻŦāĻ‚ āĻŦāĻ¯ā§‹āĻĒāĻ¨ āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹ā§Ÿ āĻšāĻŦāĻšāĻŋāĻ¨ā§āĻ¨ āĻ¯ ā§‹āĻ•āĻˇ āĻĒāĻšāĻ°āĻŦā§‹āĻš ā§‡ ā§ŸāĨ¤
āĻ–ā§‹āĻĻā§āĻ¯āĻ¸ā§‹āĻ° āĻ¯ā§‡āĻ• āĻ¸āĻ¤āĻŋ āĻœāĻœāĻŦ āĻšāĻŋ āĻ¯āĻĻā§āĻ• āĻ° āĻŦāĻ¤āĻšāĻŋ āĻ“ āĻšāĻŦāĻšāĻŋāĻ¨ā§āĻ¨ āĻœāĻœāĻšāĻŦ ā§‹āĻ•āĻœāĻŦāĻ¯āĻŦāĻšā§ƒā§‡
ā§ŸāĨ¤
āĻ…āĻĒā§‹āĻšā§āĻ¯ āĻ–ā§‹āĻĻā§āĻ¯ā§‹āĻ‚ āĻŽā§āĻ– āĻšāĻŋāĻĻā§āĻ° āĻšāĻĻā§āĻ•ā§ŸāĻ¯āĻĻā§āĻ• āĻ° āĻŦā§‹āĻš āĻ•āĻ° āĻšāĻ¨āĻ°ā§āĻ—ā§‡ ā§ŸāĨ¤
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2
Cambrian Education Group“Total Education For All”
āĻļā§āĻ•āĻŋāĻšā§āĻ›ā§‹ āĻĒāĻšāĻ°āĻšā§ā§Ÿ āĻ¯āĻĒā§āĻ°āĻˇāĻŖā§‹ āĻš āĻ–āĻ¨āĻĢāĻ˛ āĻŽā§‚āĻ˛āĻĒā§‹āĻ  āĻĻā§āĻ˛ā§€ā§Ÿ ā§‹āĻœ āĻŽā§‚āĻ˛āĻ¯ā§‹ā§ŸāĻ¨ āĻŦā§‹āĻšāĻŋāĻ° ā§‹āĻœ āĻŦā§‹āĻŖā§€ āĻ§āĻ¨āĻ¯āĻŦā§‹āĻĻā§

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C2.2.3

  • 1. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 2. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 3. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 4. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All” cÖvwYicwiwPwZ
  • 5. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 6. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 7. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All” * Hydra –āĻ°āĻŦāĻš āĻŋāĻƒāĻ• ā§‹āĻˇā§€ā§ŸāĻ–ā§‹āĻĻā§āĻ¯ āĻĒāĻšāĻ°āĻĒā§‹ āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹ āĻŦāĻ˛āĻ•ā§‡āĻĒā§‹āĻ°āĻ•āĻŦ * Hydra –āĻ°āĻ…āĻ¨ā§āĻ¤āĻŋāĻƒāĻ• ā§‹āĻˇā§€ā§ŸāĻ–ā§‹āĻĻā§āĻ¯āĻĒāĻšāĻ°āĻĒā§‹ āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹ āĻŦāĻ˛āĻ•ā§‡āĻĒā§‹āĻ°āĻ•āĻŦ *āĻĒāĻšāĻ°āĻĒā§‹āĻ• āĻ° āĻ¸āĻ‚āĻœā§āĻžā§‹ āĻŦāĻ˛āĻ•ā§‡ āĻĒā§‹āĻ°āĻ•āĻŦ
  • 8. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All” āĻ¯ā§‡ āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹ā§ŸāĻ–ā§‹āĻĻā§āĻ¯ āĻ—ā§āĻ° āĻ¨, āĻ–ā§‹āĻĻā§āĻ¯ āĻĒāĻšāĻ°āĻĒā§‹ , āĻ–ā§‹āĻĻā§āĻ¯ āĻ¸ā§‹āĻ° āĻĒāĻšāĻ°āĻ• ā§‹āĻˇāĻŖ, āĻ†āĻ¤ā§āĻ¤ā§€ āĻ°āĻŖ āĻ“ āĻ…āĻĒā§‹āĻšā§āĻ¯ āĻ…āĻ‚ āĻ¯āĻĻā§āĻ• āĻ° āĻŦā§‹āĻ‡āĻ•āĻ° āĻšāĻ¨āĻ°ā§āĻ—āĻŽāĻ¨ āĻ•āĻ° ā§‡ā§‹āĻ• āĻĒā§āĻšāĻŋ āĻŦāĻ•āĻ˛āĨ¤
  • 9. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All” Hydra āĻ° āĻĒā§āĻšāĻŋ āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹ ā§§āĨ¤ āĻ–ā§‹āĻĻā§āĻ¯ āĻ—ā§āĻ° āĻŖ ā§ĢāĨ¤ āĻ…āĻĒā§‹āĻšā§āĻ¯ āĻ…āĻ‚ āĻšāĻ¨āĻˇā§āĻ•ā§‹ āĻ¨ ā§ĒāĨ¤ āĻ†āĻ¤ā§āĻ¤ā§€ āĻ°āĻŖ ā§ŠāĨ¤ āĻ–ā§‹āĻĻā§āĻ¯ āĻ¸ā§‹āĻ° āĻĒāĻšāĻ°āĻ• ā§‹āĻˇāĻŖ ā§¨āĨ¤ āĻ–ā§‹āĻĻā§āĻ¯ āĻĒāĻšāĻ°āĻĒā§‹
  • 10. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 11. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 12. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All” ā§§āĨ¤ āĻŦāĻš :āĻ¯ ā§‹āĻˇā§€ā§Ÿ āĻĒāĻšāĻ°āĻĒā§‹ ā§¨āĨ¤ āĻ…āĻ¨ā§āĻ¤:āĻ¯ ā§‹āĻˇā§€ā§Ÿ āĻĒāĻšāĻ°āĻĒā§‹
  • 13. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 14. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All” āĻ–ā§‹āĻĻā§āĻ¯āĻ¸ā§‹āĻ° āĻ¯ ā§‹āĻ•āĻˇāĻ° āĻ¸ā§‹āĻ‡āĻ• ā§‹āĻĒā§āĻ˛ā§‹āĻœāĻŽ ā§‡āĻ¤āĻ— āĻ¸āĻ°ā§‹āĻ¸āĻšāĻ° āĻĒāĻšāĻ°āĻ• ā§‹āĻšāĻˇā§‡ ā§Ÿ āĻāĻŦāĻ‚ āĻŦāĻ¯ā§‹āĻĒāĻ¨ āĻĒā§āĻ°āĻšāĻŋā§Ÿā§‹ā§Ÿ āĻšāĻŦāĻšāĻŋāĻ¨ā§āĻ¨ āĻ¯ ā§‹āĻ•āĻˇ āĻĒāĻšāĻ°āĻŦā§‹āĻš ā§‡ ā§ŸāĨ¤ āĻ–ā§‹āĻĻā§āĻ¯āĻ¸ā§‹āĻ° āĻ¯ā§‡āĻ• āĻ¸āĻ¤āĻŋ āĻœāĻœāĻŦ āĻšāĻŋ āĻ¯āĻĻā§āĻ• āĻ° āĻŦāĻ¤āĻšāĻŋ āĻ“ āĻšāĻŦāĻšāĻŋāĻ¨ā§āĻ¨ āĻœāĻœāĻšāĻŦ ā§‹āĻ•āĻœāĻŦāĻ¯āĻŦāĻšā§ƒā§‡ ā§ŸāĨ¤ āĻ…āĻĒā§‹āĻšā§āĻ¯ āĻ–ā§‹āĻĻā§āĻ¯ā§‹āĻ‚ āĻŽā§āĻ– āĻšāĻŋāĻĻā§āĻ° āĻšāĻĻā§āĻ•ā§ŸāĻ¯āĻĻā§āĻ• āĻ° āĻŦā§‹āĻš āĻ•āĻ° āĻšāĻ¨āĻ°ā§āĻ—ā§‡ ā§ŸāĨ¤
  • 15. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 16. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 17. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All”
  • 18. MD. KAWSAR ALI HAWLADER,LECTURER OF BIOLOGY, CLASS-XII, CHAPTER-2 Cambrian Education Group“Total Education For All” āĻļā§āĻ•āĻŋāĻšā§āĻ›ā§‹ āĻĒāĻšāĻ°āĻšā§ā§Ÿ āĻ¯āĻĒā§āĻ°āĻˇāĻŖā§‹ āĻš āĻ–āĻ¨āĻĢāĻ˛ āĻŽā§‚āĻ˛āĻĒā§‹āĻ  āĻĻā§āĻ˛ā§€ā§Ÿ ā§‹āĻœ āĻŽā§‚āĻ˛āĻ¯ā§‹ā§ŸāĻ¨ āĻŦā§‹āĻšāĻŋāĻ° ā§‹āĻœ āĻŦā§‹āĻŖā§€ āĻ§āĻ¨āĻ¯āĻŦā§‹āĻĻā§