Answer:
The sun is a star, so it maintains its mass at a constant value and its circular shape does not change, this being a celestial body.
<h2>Instantaneous speciation;the formation of a new species over a few generation.</h2>
Explanation:
- This is a type of speciation where new species are produced which are separated from the parental individual by biological or geographical barrier.
- This type of speciation occur among individual and not in a population.
- It is a kind of sympatric speciation which is caused by poliploidy.
Answer: The correct option is D.
Genes are made of DNA and code for proteins.
Explanation:
This is because genes contain the genetic information needed for expression of characteristics in a living organisms. Therefore, genes contain DNA which is the genetic material. Genes are housed in chromosomes located in the loci.
DNA molecule forms a chromosome, and part of the same DNA molecule produce the genes on that is found in that chromosome. The information that is present in each gene codes the production of proteins and alsothe synthesis of RNA.
The answer is B because DNA is (deoxyribose), RNA is the one with just ribose
