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A Zygote
A single pollen grain has 2 sperm. Double fertilization occurs when 1 of these sperm combines with the egg, and the other sperm combines with a cell (this is called endosperm) That is in order for the seed to keep being produced.Seed has to be germinated, and without the extra sperm (double fertilization) the plant couldn't germinate and would go extinct.
Single bond
The liverwort is a member of the bryophyte family. The bryophytes are mostly made up of mosses and resemble the algae of the thallophyte family in many ways, however the bryophytes have evolved into a multi-cell organism while the thallophytes are only single-celled.
the single cell when a sperm's DNA combines with the egg's DNA is called fertilization
Angiosperms and Gymnosperms branch from a single common ancestor.
Fertilization produces a single cell called a zygote. The zygote is formed when a sperm cell fuses with an egg cell during the process of fertilization, initiating the development of a new organism.
A Zygote
The combining of an egg and sperm to create 1 single cell is "conception."
self-pollinate
A single pollen grain has 2 sperm. Double fertilization occurs when 1 of these sperm combines with the egg, and the other sperm combines with a cell (this is called endosperm) That is in order for the seed to keep being produced.Seed has to be germinated, and without the extra sperm (double fertilization) the plant couldn't germinate and would go extinct.
Alternating single and double bonds
single
Single bond
monohybrid cross
monohybrid cross
The liverwort is a member of the bryophyte family. The bryophytes are mostly made up of mosses and resemble the algae of the thallophyte family in many ways, however the bryophytes have evolved into a multi-cell organism while the thallophytes are only single-celled.