Hi,
Which consist of sperm cells and egg cells?
A.gametes
B. pRNA
C. tRNA
D. mRNA
c. gallbladder
b. appendix
d. rectum
b. is related to the temperature of the air
c. happens daily
d. happens seasonally
the right answer is C. happens daily
The circadian rhythm is studied by chronobiology. The circadian rhythm is the study of a 24-hour period during which a number of biological and physiological mechanisms are repeated. Circadian rhythms are modeled on an internal clock that regulates the rhythm of the waking / sleeping state, the rate of nail or hair growth, the rhythm of hormone production, blood pressure, the state of alertness, body temperature ... All living organisms have a circadian rhythm.
B. TEM
C. dissecting
D. SEM
It is a trait, but is not affected by natural selection.
It is a trait that is shaped by stabilizing selection.