Answer:
major crops in permanent agriculture includes trees and shrubs.these are not totation crops,harvesting for more then five years.for example apple,citrus fruits,blueberry etc.
these crops need afuquate temperature and good soil for cutivation.
Atoms, molecules, cell membranes, then cell (in order from smallest to biggest).
Answer:
Any of the answers are correct. This question is completely opinionated (I chose no).
[If you limit your interpretation of the biological species concept to only what happens in nature, lions and tigers are separate species. In contrast, if you consider what is possible with human intervention, you could argue that lions and tigers are not separate species since they can be crossed to form fertile ligers.
The biological species concept is one of over 20 different species concepts that attempt to put nature into human-constructed categories. Most biologists would agree that the challenge of defining species has still not been elegantly solved.]
