Answer:
<em>The correct option is D) Hydrosphere</em>
Explanation:
The corals present int he hydrosphere interact with the algae through a endosymbiotic relationship. This endosymbiotic relationship helps to maintain the health of the corals and the reefs. However, at a certain time, the coral reefs might expel the algae living inside it. This phenomenon is termed as coral bleaching. The corals generally expel the algae when they are under stress situations such as changes in temperature or availability of nutrients.
Prokaryotes are organisms whose cells lack a nucleus and other organelles. ... Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm.
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i'm new to brainly
The extinction of a species due to an ice age
Optical telescope issues visible light emitted by a star to make it appear closer. Radio, Ultra Violet and infrared telescope issues the wavelength of light.