Question

Give answer


Don't spam​

Answer 1

Explanation:

In biology, place ntation refers to the formation, type and structure, or arrangement of the placenta. The function of placentation is to transfer nutrients, respiratory gases, and water from maternal tissue to a growing embryo, and in some ins tances to remove waste from the embryo.

When a flow er arises in the axil of a leaf-like structure, this struc ture is known as a bract. Beca use bracts are large and brightly coloured structures, they a re often mistaken for petals. This helps to attract insects for pollination

The stigma is loca ted in the gynoecium of the flower. Its m ain function is to att ract the poll en gra ins from the air with its sticky tip for reprod uction to take place.