During his expedition upon the HMS beagle at the Galapagos Islands, he came up with the idea of survival of the fittest and evolution named Darwinism.
So, the best choice is
Do living organisms change over time and, if so, how?
Difficulty breathing<span>. </span>Muscle twitching<span> or thrashing. Unusual</span>head<span>, </span>neck<span> and </span>eye<span> movements. Drooling. </span>Sweating<span>. </span>Nausea<span> and </span>vomiting. High blood pressure (hypertension<span>)</span>
It would be A. The Modified Mercalli scale which measures the effects of an earthquake.
The actual answer is, "A", an ocean trench.
You can find out more about them by researching them up on Google, it's only a few phrases and a hit on the enter key :P
Answer:
naturalistic observation
Explanation:
The best possible way to study how tigers interact with each other in their habitats would be to use a naturalistic observation. This type of observation focuses on observing the main subject of the study in it's natural environment without interfering in any sort of way. This allows the scientists to observe exactly how the tigers interact when there are no humans around.