AP BIOLOGY

Detailed explanation-1: -After fertilisation the fertilised egg develops into an embryo and the primary endosperm nucleus into the endosperm. The ovule is converted into seed and ovary into fruit.

Detailed explanation-2: -ovule, plant structure that develops into a seed when fertilized.

Detailed explanation-3: -Fertilization occurs as one of the sperm cells fuses with the egg inside the ovule. After fertilization takes place, the ovule develops into a seed that contains a tiny, undeveloped plant. The ovary surround-ing the ovule develops into a fruit.

Detailed explanation-4: -After fertilisation, the ovule is converted into seed and ovary into fruit.

Detailed explanation-5: -After pollen tube burst inside the female gametophyte, the two sperm cells fuse with the egg and central cell initiating seed development. The fertilized central cell forms the endosperm while the fertilized egg cell, the zygote, will form the actual embryo and suspensor.