Developent And Structure Of Blastula

Discuss in chronological order the development of the structure of atom .

Blastula lacks

Name the type of evolution that has redulted in the development of structures like wings of butterfly and bird. What are such structures called ?

Embryology Morula Stage Blastocyst Stage Implantation OF Blastocyst Structure OF Blastocyst Role OF HCG Types OF Blastula

Types OF Ovules (1) Basic = Number OF Integuments (2) Basic = Developments OF Nucellus (3) Basic =Structural Complexity Megasporogenesis

Sexual Reproduction in Flowering Plants || Megasporo Genesis|| Megagametogenesis || Types OF Embryo Sac || Types OF Ovules || On The basis OF Number OF Integuments || On The Basis OF Development OF Nucleus || On The Basis OF Structure

Outer covering of blastula is

Upon fertilization, while ovule develops into seed, what structure develops from carpel ?