Cell theory was fdiscovered in the 17th century. but the first. cell theory was credited in the 19th century.
Bleaching I believe is the correct answer.
Answer:
The cell walls observed by Hooke gave no indication of the nucleus and other organelles found in most living cells. The first man to witness a live cell under a microscope was Anton van Leeuwenhoek, who in 1674 described the algae Spirogyra. Van Leeuwenhoek probably also saw bacteria.
Explanation:
Vestigal organs are organs that, as we evolve, the organs loose their purpose and have no function anymore. The appendix is a vestigal organ
Hope this helps
<span>For the above question,it is an example of negative feedback.Cholesterol with high content is dangerous to our body which can cause heart attack and stroke.Mainly cholesterol causes due to poor diet and consuming high fat content foods.High cholesterol will also cause blood problems like blood flow will be harder to pass through arteries.</span>
