<span>
The answer is C. During one of his explorations, naturalist
Charles Darwin reached the Islands of the Galapagos. He observed that there are
the same species of animals on different islands, but have noticeable
differences. He found in Galapagos, that there were finches, a type of bird,
with different type of beaks. Birds used their beaks to acquire food. It led
him to discover that species developed over time to fit their way of life in
surviving and getting their food.
</span>
Because during sleep animals can recuperate and gain new strengths so they can tackle the challenges of the new day. Sleeping has protective functions for the brain because it removes toxins that build up during the day. Furthermore, sleep is helpful because the animal can rest during sleep and be ready for each new day.
Answer:
<em>Clostridium difficile </em>
Explanation:
<em>Clostridium difficile </em>are anaerobic gram-positive rod-shaped bacteria. This species of <em>Clostridium</em> has an incubation period of days to weeks and causes severe diarrhea and fever. It causes antibiotics related colitis termed as pseudomembranous colitis. The epithelial lining of colon undergoes necrosis due to the bacterial toxins. The affected individuals exhibit abrupt diarrhea, presence of blood and toxins in stool.
It helps in solidifying the DNA which makes it visible.
Mike is the answer hope this helped