Answer:
overfishing is when there are more fish being fished out o the ocean than the biomass of fish, e.g. in 1970 in the north sea, there was double the amount of kabeljau caught than the biomass. it threatens the coral reefs because a part of the food chain is missing, which has an impact on everything else.
Explanation:
i dont really know if it made sense, im sorry
one is relative to whats happening now and the other is what happened in the past hope this helped!
Answer:
The answer is Uracil
Explanation:
Uracil is the only nucleotide present in RNA. remember this RNA is ACGU and DNA is ACGT. See the difference?
Answer:
a lack of resources and stability can be a major factor for this situation, meaning they dont have much of a choice. they become a nuisance to richer clients and are therefore removed and dumped away.