Answer:
<u>B. Organ</u>
Explanation:
Atom → Cell → Tissue → Organ → Organ System → Organism
Emigrated means they exited so due to the high amounts of pollution all the animals left which cause a population decrease
The matching DNA strand would be A - T, G - C, A -T, A - T, C - G, or in other words TCTTG (because you had the strand AGTAAC).
Always remember that A pairs with T, G pairs with C, T obviously pairs with A, and C obviously with G.
Answer: In all of these carrying capacity would go down substantially.
Explanation: This is because these natural disasters are very detrimental to the environments and would decrease life.