Answer:
D. Sperm Cells
Explanation:
Primary sexual characteristics in organisms are defined as the external or internal genital parts present in organisms from birth only and Secondary sexual characteristics are the characteristics that found after puberty.
Primary Sexual Characteristics Of Males are testes, scrotum and penis which helps in the delivery of sperm cells. Testes, scrotum and penis are all present in humans or males from birth.
Hence, the correct answer is "D. Sperm Cells".
Stretching out of wavelengths is knows as Redshift
Answer:
human biology
Explanation: Human biology is the branch of biology that deals with human beings and human populations. It includes all the aspects of the human as an organism including genetics, ecology, anatomy and physiology, anthropology, and nutrition.
<span>Proteins are made up of chains of small organic molecules called amino acids such as glycine, alanine, lysine or tryptophan.
Amino acids contain an amine functional group, which contains a
nitrogen atom, possibly one or two atoms of hydrogen, and a carboxylic
acid group, which has the formula -COOH.</span>
The offspring willl have dimples because even though there are little d an]the but d is dominant and will over power.