The characteristics associated with the development of the organs and structures of the body that directly relate to reproduction are called

Primary Sex characters

Explanation:

The primary sexual characters are associated with the growth of sexual organs such as uterus, vagina, penis and other reproductive organs in the human beings.

These organs are present in the body when the child is borne. This is because they grow when the child is inside the womb.

The development and maturation of these organs takes place during the later stages of life.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u