What are the fixed alleles in the human species?
a) the alleles that are on the most chromosomes
b) the alleles that change most often
c) the alleles that everyone has
d) the alleles that no one has

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

How do living things obtain phosphorus

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.