The correct answer would be D, post industrial.
Answer:
C.organisms had adapted to new environments,givingrise to new species
Explanation:
-On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to island, which helped him to develop his theory of natural selection.
-He noticed that each finch species had a different type of beak, depending on the food available on its island. The finches that ate large nuts had strong beaks for breaking the nuts open.
Answer:
Parasitism
Explanation:
Here, the leech benefits a meal from the human, but the human is harmed by losing blood. Therefore, it is a parasitic relationship.
One of the most important functions of vitamin B6 is its role in protein metabolism as the vitamin B6 coenzymes are required to metabolise amino acids. The coenzymes participate in reactions that allow a cell to synthesize nonessential amino acids. Hope this helped!
Grass (producer) -> Cricket (primary consumer) -> Mouse (secondary consumer) -> Snake (Tertiary consumer) -> Hawk (Quaternary consumer)