how does embryogenesis take place in plants and what is the difference between plants and animal embryogenesis.

In animals, a fertilized egg cell becomes a diploid
zygote. This will then undergo cleavage resulting in an embryo with three germ layers.
These layers are endoderm, mesoderm and ectoderm. From these layers, differentiation of
these cells become recognizable body parts of the new embryo. In plants, a double
fertilization occurs inside the ovule. One fertilization results in a diploid zygote,
the other fertilization results in the union of two polar cells and a sperm forming a
triploid tissue called endosperm. Both the zygote and endosperm become the seed.
Plants, like animals have cleavage stages and at the eight cell stage, the embryo shows
a clear pattern of tissues forming along a linear plane. Differentiation and growth
occurs as the embryo develops.