Answer:
Different parts of the DNA are activated or used.
Explanation:
Different parts of the DNA can be turned "off" or "on" based on the needs to create the certain cell.
If the eye were perfect, all organisms with eyes would distinguish the same colors, there wouldn't be any issues with vision, and the placement of the eye would be the same for all. These imperfections are important because they can provide answers to evolutionary traits. For example; Deer have eyes on the sides of their heads. This is due to their need to see all around them, in order to watch out for danger.
A. A forest fire caused by lightning, which destroys a habitat
Answer:
<em>d) Surface tension from pleural fluid and negative pressure in the pleural cavity</em>
Explanation:
Pleural cavity can be described as the space which is present in between the pleura. Pleura can be described as the two thin membranes surround the lungs. These pleural cavity is responsible for holding the lungs to the thorax wall. It aids the functioning of the lungs at the time of breathing. It acts as a lubricant at the time of respiratory movements. Hence, the correct option is d.