The fossil shows evidence of how animals lived on Earth in the past and shows history about animals that may be extinct now or have evolved since then, which would show development in the animal in the fossil.
Nearsightedness is the answer.
The correct answer is detailed structure inside the cell.
The main feature of compound light microscope is the light source which helps to see the objects more clearly. This microscope is usually used to see the detailed structure inside the cell. The cell organelles are clearly visible that are very minute in size and cannot be seen through naked eyes. This allows us to study the features of the cell more accurately and precisely.
Answer:
Option D, has only a single opening
Explanation:
A gastrovascular cavity has only one opening. The food goes in and comes out of the same opening there by making it a two way digestive tract.
However, a digestive tube is a one way digestive tract where the food goes in from mouth (one end) and comes out of anus (second end) . It is also called as alimentary canal
Hence, option D is correct
