Replace the ? in the Boxed Series

question 250

Multiple Choice

Replace the ? in the boxed series.

• A)E
• B)C
• C)B
• D)D

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Definitions:

Coral Bleaching

occurs when corals lose their vibrant colors due to stress factors such as increased temperatures, leading to a weakened state with reduced growth and reproductive ability.

Zooxanthellae

A type of microscopic algae living symbiotically within the cells of coral and other marine organisms, providing them with energy through photosynthesis.

Euphotic Zone

The upper layer of a body of water, such as an ocean or lake, that is illuminated by sunlight and supports photosynthesis.