Give the example of plant species that have changed the economic status of a community and how?

Select the correct answer from each drop-down menu proteins are

Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast