Answer:
I think this is the ans
Explanation:
cold environment as biodiversity means one particular ecosystem or habitat so in a cold environment only cold breeze flows.
Cyanobacteria, also known as blue-green algae, are found in vast quantities in fresh and salt water. Cyanobacteria are able to conduct photosynthesis. By utilising energy from the sun, they produce carbohydrates from water and carbon dioxide. As a byproduct, they produce oxygen. So cyanobacteria provided oxygen to the atmosphere that allowed other lifeforms to develop.
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The process in which two gametes unite is called fertilization.
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<span>These cells cause the reabsorption of bone, thus helping to regenerate bone.
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Answer:
C. cell- tissue- organ- organ- system
