The female gametophyte is a structure called an
embryo sac, while the male gametophyte is a
structure called a pollen grain. When pollen attaches to the stigma of
a flower, one of the sperm cells fertilizes an egg cell, producing a
zygote. Another sperm cell fertilizes the polar
nuclei, forming a
endosperm. The
will eventually develop into the sporophyte.

How is the carbon cycle related to global warming ?

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation