according to my biology teacher it's true. so there you have it.
<span>Complementary base-pair rule.</span>
The layers on the top may be younger, while the bottom layers may be much older.
Answer:
Open populations occur when the total population is dynamic, with new members leaving and being added over time. ... Closed populations occur when the members of population are fixed and no new members are added or lost from the group (except through birth and death
Explanation:
hope this helps also dont fprget to thank me
