Answer:
vacoule
Explanation:
it is large in plant cell but small or absent in animal cell
B. Arteries have a thicker tunica media than veins
Answer:
Chloroplasts, which are filled with chlorophyll, which gives the green pigment in plants.
Explanation:
If there were no human intervention in plant ecosystems, most probably we will have a thick and lush plant ecosytem. Soil can be richer compared to the soil that we have now.
However, if there are no human intervention, there will be an imbalance. There will be no consumers. It is important that there should be a balance in any type of eco system.