It is because when alleles show a co-dominant relationship , neither allele is dominant and both are expressed in the phenotype of the heterozygote. The human ABO blood groups provide a good example of codominace. The ABO system is due to a gene that codes for molecules on the surface of red blood cells
<span>Cenozoic Era........................</span>
1). A good example for mutualism is People and plants. We provide plants Carbon dioxide. Plants provide us Oxygen
2).Biome is where you have your tundras, Rain forests, Deserts, etc. then you have to give 3 characteristics like temperature, precipitation levels, soil type, etc.
I will have to get to question 3 later since im in class but ill give you the answer to that one. its easy
Answer:
bacteria, archaea, eukaryota
<span>I believe you are looking for the term, Dichotomous Keying.</span>