Question

प्रश्न 05. निम्नलिखित समूह के दो - दो लक्षण लिखिये
1) टेरिडोफाइटा
2) नीडेरिया (नाइडेरिया)
3) आर्थोपोडा
4) उभयचर
Write two charactors of following groups
1) Pteridophyta
2) Cnidaria
3) Arthropoda
4) Amphibia​

Answer 1

Answer:

pteridophyta- 1.differentiated body into root stem and leaves

2.vascular system is present i.e. xylem and phloem

Cnidaria-1.animal exhibit two body forms polyps and medusae

2.body is meant for circulation as well as digestion

ARTHROPODA

1.animals have jointed appendages

2.omnipresentand solitary or colonial

AMPHIBIA

1.body differentiated into head and trunk

2.skin is moist glandular with mucous glands