C. A forest has one hundred trees in one square kilometer
Answer:
No 1 answer They require sophiscated tools. The microscopes help in the study of cells. The molecular study of the cells are performed by the help of electron microscope. So, we can say that cells are microscopic in nature.
Explanation:
No 2 answer The nucleus is the largest and most prominent of a cell's organelles (Figure 3.7). The nucleus is generally considered the control center of the cell because it stores all of the genetic instructions for manufacturing proteins.
No 3 answer Smaller single-celled organisms have a high surface area to volume ratio, which allows them to rely on oxygen and material diffusing into the cell (and wastes diffusing out) in order to survive. The higher the surface area to volume ratio they have, the more effective this process can be.
Answer:B
Explanation:The project distributed green turtle eggs and hatchlings to various nesting beaches around the Caribbean and the Gulf of Mexico in an effort to encourage the growth of their dwindling populations. His conservation efforts also led him to lead campaigns against ocean pollution.
A. It decreases biodiversity by harvesting everything in its path, so that unwanted fish are unnecessarily killed