My answer may not be precise, but I believe if you changed your question to "The presence of these structures indicates that the student is looking at a cell of what organism", then I would safely say a plant, because plants, unlike animals, have cell walls in addition to cell membranes. :) Hope this helps!
Answer:
A. A year of drought followed by four years of average or above-average rain
Explanation:
In the first year the Finches population goes down drastically meaning that a disaster must have occurred that would negatively affect the population, a drought. The next four years the Finch population increases steadily so the average rainfall must have been average or above average according to the graph.
It belongs to 100-999 SCI Code. So its Primary category. Because its all about the farm and geographical industry that focuses on land production, deformation and production in growing the status of our economy and provide the need of people.
Cause of cellulose! the plant's cell wall is composed if cellulose
