2. 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.
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cats ; snakes

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

segmented body, an exoskeleton made from chitin, and joint appendages.