Rivers are large bodies contained of water which always move from the higher part to the lower. Over years It could change landscape of a land through erosion by slowly scrapping the land it passed through
Answer;
Food vacuoles that causes the yeast to turn blue indicates active digestive processes in the cell.The blue represents the mature food vacuoles as some yeast cells have now entered, and beginning the digestive process.
Explanation;
The ingested yeast cells appear red during early stages of being eaten. Later some of the yeast cells will enter into the food vacuoles to which acidosomes have fused, lowering the pH. The yeast cells within the food vacuole will turn blue, indicating active digestive processes in the cell. It is used for yeast uptake in the paramecium food vacuoles.
Answer:
... A disease resulting in the deaths of one third of a dense population of bats in a cave would be a
