One is oxygen and two is hydrogen atoms are joined by a covalent bond.
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Answer:
It is the biological concept of species
Explanation:
In 1970 Mayr stated that "species are formed by groups of potentially intercrossing populations that are reproductively isolated from others". The biological concept of species puts emphasis on existence of barriers that limit the gene flow among groups within the same species
Chloroplasts: <span>work to convert light energy of the Sun into sugars that can be used by cells. (photosynthesis)
Vacuoles: Main function is just a space-filler but can also fill digestive functions and their interiors can be used as storage for nutrients.</span>
Answer:
a mucus or a gelatinous sheath
Explanation:
Most species of cyanobacteria are enclosed in a gelatinous sheath which is made up of proteins.
Answer: e
Explanation: the higher the growth rate constant, the shorter the time to grow.