Question

what is aestivation ?describe twisted and imbricate aestivation with one example each.

what is placentation ? describe the marginal and parietal placentation with one example each.

Answer 1

Aestivation==>•••• it is period of dormancy in which the animals are avoid our stressful conditions they take Aestivation........!!!!Ex.Sail etc......,!!!!!
Placentation is period in which when b/w mother and foetus antimatter connection with exchange the material.......;!!!;

Answer 2

Aestivation is the mode  of arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl. ...
there are mainly 4 types of Aestivation

Valvate aestivation: Sepals or petals in a whorl just touch one another. They do not overlap one another.