Answer:
Prokaryotic single-celled organisms.
Explanation:
even though many debate on this. the earliest forms of like pretty much began with bacteria. During the Precambrian Timespan most life was composed of these single celled organisms.
The answer is C, the basic unit of inheritance
Answer:
A
Explanation:
The animal kingdom is divided into <u>31</u> Phyla and <u>101</u> Classes.
the answer is C. 40 because it gains what the first one loses
hope I helped
Answer:
Melatonin
Explanation: melatonin in the body is a natural hormones that helps in the regulations or coordination of the cycle of our sleeping and waking. It is found in the pineal glad and it is more active during night time than day time.
Teenagers most especially has different time of sleep they sleep mostly late during weekends and sleep early during weekdays.our body needs sleep so as to function properly and most times our body is also adapt to some times that we sleep. Melatonin is usually release in the body gradually around 9pm in the evening where it initiate sleep but in some people, it is when the hormones is release in an increase dose that they can fall asleep thereby shifting the time to about 11pm or 12pm before the person can fall asleep for quick sleep, melatonin supplement are used.
