Answer:
Two populations of birds live in the same area but have different sleep/wake cycles this is Chronotype.
Explanation:
Every organism has a biological clock called Circadian rhythm. Circadian rhythm is a cycle of 24 hours and determine the particular activities within these 24 hours for example sleep and wake cycle. Whereas a chronotype is a natural tendency of any organism toward sleep preference within their circadian rhythm. for example, owl prefers to stay active during night while sparrow sleeps at night.
Answer:
b
Explanation:
earth's ocean did grew higher over time because o rainfall for the last 20 years!
The answer is C, that is the correct answer
Embryo, Sac, Zygote, Embryo