Anywhere you look on this tree, you will see the same pattern in the leaves. this pattern is tissue used used to transport water. these lines in the leaves are the part of the vascular tissue.

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)