I looked it up and it was “c. Silicon “
In your question that ask on which of the following observation led Darwin to start thinking about evolution. I think that the answer is A. The animals on the Galapagos Islands were recognizable as similar to their counterparts in other regions of the world, but had range of noticeable differences from those counterparts. Many animals also had small variations form island to island
Answer:
Both animal and plant cells have these components: Cell membrane – this surrounds the cell and allows nutrients to enter and waste to leave it. Nucleus – this controls what happens in the cell. It contains DNA, the genetic information that cells need to grow and reproduce.
<span>The body mass index (BMI) is the most popular formula associated with body fat and relative amount of adipose tissue. This takes into account the person's weight and height as a way of calculating a relative value that will give the patient an idea of where they stand (in general) among people of their body composition.</span>