Short answer - to breathe.
Long answer - the black streaks on the trunk of birch trees are called lenticels, and their function is to enable the exchange of gases between the tree and the air. So, in a way, this makes the whole process of photosynthesis a lot easier for birch trees.
In light of the examination of philip reno, early hominins show decreased sexual dimorphism, which is proof for participation and logical for pair bonding.
<h3>What do you understand by Pair bonding?</h3>
Pair bonding is a high level trademark and may expect an essential part in age, and moreover in individual and species endurance.
A pair bond is the strong enjoying that makes in a couple of creature bunches between a couple containing a male and female, or on occasion as an equivalent sex mixing, perhaps provoking conveying any kind of family down the line or possibly a well established bond.
Early hominins showing decreased sexual dimorphism is a proof of agreeable guys or collaboration and reasonable from pair bonding, based from the exploration of Philip Reno.
Pair bonding is a characteristic that developed and can assume a basic part in multiplication, and in individual and endurance of a species.
For more information about sexual dimorphism, refer the following link:
brainly.com/question/4316806
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Hey there budd!
Your question is stated above: <span>Which option describes what the U.S. Green Building Council has created?
Based from my information, I know for a fact the the answer would NOT be option D. The government would not </span>to simplify the certification process for sustainable building and construction because they want (high) quality people working for them, not people who have low certificates to work for the government.
I (seriously) believe that the correct answer to this question would actually be the first option. (A) Government control over all engineering design materials. So, this would show you that the U.S. Green Building Council has created a government to watch over and control everything that is being designed.
I hope this helps you!
They have half as many chromosomes as the rest of the cells (so that when they meet, the chromosomes will be combined to make a different set)