I think it is b
<span>Amphibia, Reptilia, Aves, and Mammalia</span>
In general, stem cells have 3 main properties:
1) They are capable of dividing and renewing for long periods of time.
2) They are unspecialized cells.
3) They can give rise to specialized cells.
Answer:
I dont understand what you're asking but a Organisms niche is its instinctual behavior or what its learned in order to survive in its environment.
Explanation:
After the egg drops it travels to the Fallopian tube , where there is a 24 hour period for fertilization , then if it is fertilized it travels to the uterus attaches to the wall and grows for nine months.. Then boom! theres a baby
Answer: i know the answer but i just cant think off the top of my head i am sorry i really want to answer though but if i figure it out i will tell you
Explanation: