Answer:
Explanation:
A mutation in DNA alters the mRNA, which in turn can alter the amino acid chain.
Crystals in the metamorphic rock align parallel due to the direction of the applied force, during rock formation. These crystals are Muscovites, Micas, and Amphiboles etc. So, the correct answer to your question is C. And, metamorphic rocks from due to change in texture and mineral assembly, due to the pressure itself.
Ok, think about it. Does your skin prevent germs from getting inside you?
Does your skin prevent water from leaving the body too quickly? Does your skin protect your insides from getting damaged when you fall? Do you put food on your skin to absorb nutrients, or do you put food in your mouth like a normal person?
Answer:
Oxygen levels stay above 15 percent starting 200 million years ago
Explanation:
Atmospheric oxygen levels are related to the evolution on Earth and changes in geochemical cycles that involve climate variations.
The presence of O
2 and evolution of oxygen gave new opportunities to the life on Earth. Oxygen levels in atmosphere have fluctuated between 15% and 35% of atmospheric volume, since the start of the Cambrian period.
So, form the starting 200 million years ago, oxygen level stay above 15 percent and the correct option is "B".
The correct binomial nomenclature for humans is H. sapiens, in which H. is genus and sapiens is species.
<h3>What is binomial nomenclature?</h3>
The binomial nomenclature is a two-term naming system in which the name of every species is named specifically.
This naming system was developed by Carolus Linnaeus.
It is written as a genus with the following species.
For example the scientific name of the dog is Canis (genus) familiaris (species).
Thus, the scientific name of humans is H. sapiens.
Learn more about binomial nomenclature, here:
brainly.com/question/9837065
