<span>It's is the second one. The waste materials generated by one organism are often reused by other organisms.Mass, or matter, is conserved in all physical and chemical changes. Matter is not created or destroyed within ecosystems, it only undergoes physical or chemical changes. One example of this process is that the waste materials generated by one organism are often reused by other organisms as food or nutrients.</span>
B is the answer.
A doesn’t make sense, animals don’t really help hunters.
D doesn’t make sense either, transportation was good but herds of animals usually weren’t only used for that.
E could make sense but usually they already had an abundance of fur and skins from animals they had killed in the past.
F animals rarely help when preparing land for planting and I doubt they knew how to use them for such things, though it’s possible, it’s very unlikely, especially since they just got them.
Answer: i cant nswer it smh i dont see the table XDDDD
Explanation:
I remember taking this quiz but i only remember 1 answer choice and it was
Bacteria taking nitrogen gas from the air and changing it to other substances.
Organisms that provide this clean up service include fungi, bacteria, insects, worms, all of which are in turn eaten by other trophic levels.
The dead organic matter consumed by this clean up crew becomes soil which provides a place for plants to grow.
As a result organic matter is always being recycled.
