The answer is Body temperature
Circadian rhythm will regulate the daily circle of an organism. There is many biological aspect that could be regulated such as the hormone secretion, blood sugar, body temperature, and sleepiness. The migration of birds would be happen annually, not daily. The female menstrual cycle would be happened monthly too.
the atmospheric pressure decreases upwards, hence the inter-molecular attraction between the air molecules decreases or to say that the inter-molecular space increases and the parcel of air expands.
Answer:
a. antigen
Explanation:
The Immune system is composed of immune cells that defend the body against foreign substances such as bacteria or virus. Lymphocytes (B and T cells) are one of the main immune cells
Lymphocytes have the ability to recognize and bind to antigens, wich are substances foreign to the body ( i.e bacterial or virus elements) that evokes an immune response.
inversion
mutation that involves the addition, subtraction, or substitution of a single base is known as an inversion. polypoloidy. a chromosomal aberration.
