HARD
11th Andhra Pradesh Board
IMPORTANT
Earn 100

Cnidarians and some flatworms have an incomplete gut and exhibit 'blind sac plan'. Justify the statement.

Chapter-Wise 3D Zoology Videos from Andhra Pradesh Board Intermediate First Year Zoology

08 min 16 sec
Coelom in Animals
Do your organs bump against each other or the body wall when you walk or run or roll? Never! This is due to the fact that there is enough space between them....
03 min 47 sec
Third Line of Defence
The third line of defence is called the immune response and it is specific. It involves the production of two types of lymphocytes. Let’s learn more about th...
05 min 40 sec