Trees Provide Habitat for Wildlife. It is only natural that wherever trees are planted, wildlife and other plants are sure to follow. Trees provide shelter and food for a variety of birds and small animals, such as squirrels and beavers.
The only real medical reason you could be unusually tired during your period is if you have anemia, which is an iron deficiency. For some women who are anemic and have a very heavy period, the first day can be a doozy. However, this group is in the minority.
Every pregnancy is different, so it's hard to predict when and if you will notice changes in your body, especially two weeks after conception. Early pregnancy symptoms, such as tender breasts, tiredness and feeling sick, are easy to confuse with signs that your period is coming on. You may feel a prickling or tingling sensation in your breasts, particularly around your nipples.