Answer: Is a group of organisms of the same species that interbreed for example a group of robins in North America
When focusing a specimen you should always start with the SCANNING objective. Scanning objective is used to put the object you want to examine in focus. After proper focusing on the object, you can now switch to power objective.
Its E= it can be damage to the ozone layer. Hope this helped you out ;)
The stroma
The enzymes in the Calvin cycle are found in the stroma instead of the cell cytosol, separating the reactions.