Cosmarium
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Last Update: 2021-01-09
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Source: Internet
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Author: User
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1 genus of the 2-star algal
algae
1. The plant body is a single cell, the central ring-like crevice is called a seam, and
1
cells are divided into
2
symmetrical semicells. There are
1
to
2
or
4
pigments in each half cell, axis, each with
1
protein nucleases, a very small variety of several ribbon-like pigments, each with protein nucleases
1
columns. During reproduction, the cells divide horizontally into
2
and a half cells, each gradually growing the same as its own other
1
half cells, sexual reproduction for joint reproduction, the mating son in a shape-changing motion to join to form a joint spores (or joints).。 There are about
,300,
species in this genus, and about
,350,
species have been recorded in China, most of which are found in freshwater bodies, very few of which are found in salt water and semi-salt water bodies; Most of the world's universal species, but some species are typically regional, according to latitude, can be divided into polar, temperative, tropical and subtropical distribution of groups.。
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