I will go with A ....as radiation is out of question..... DNA sequence is same in all.......I don't think evolution is a mistake !
so A
Answer:
the favorable traits to be passed on to the next generation are chosen by the breeder.
Explanation:
i had this question before
B) made of just one substance
Explanation:
A mineral is just made up of one chemical substance.
Geologically, a mineral is defined as a naturally occurring inorganic chemical substance, with a definite chemical composition and well ordered atomic structure.
- Minerals are produced naturally through inorganic chemical processes.
- Calcite is mineral that makes up limestone and it consists of Calcium carbonate.
- Most rocks are aggregate of minerals.
- Most rock forming minerals are silicates.
Learn more:
Rocks brainly.com/question/2817889
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Answer:
Cell division prevents cancers, and is something that in humans and in other adult organisms as well prevents old age.
There are many more complex mechanisms that contribute to old age and cancers, but if cell division slows down an organism reaches the end of its life.
Every set of cells has a limited amount of divisions it can do. literally every organism from the moment of conception is dying.