Tardigrades, also known as water bears, are microscopic animals famous for their extreme resilience. When faced with dehydration, they enter a state called cryptobiosis, curling into a dry ball and effectively pausing their metabolism. In this state, they can survive extreme temperatures, radiation, … While tardigrades are remarkably tough in their cryptobiotic state, they are actually quite fragile when active. In their normal, hydrated state, tardigrades require a stable film of water to move and feed. Without it, they quickly perish, making them highly vulnerable to sudden environmental changes if they don’t have time to enter cryptobiosis.
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mediumBased on the text, how does the second part of the passage relate to the information presented in the beginning?
A
It contradicts the scientific mechanisms of cryptobiosis described in the first part.
B
It provides an important caveat to the widespread reputation for resilience described in the first part.
C
It argues that tardigrades are currently facing extinction due to environmental changes, unlike the claim in the first part.
D
It suggests that the experiments mentioned in the first part were conducted improperly.