Explanation:
The brain itself does not feel pain because there are no nociceptors located in brain tissue itself. This feature explains why neurosurgeons can operate on brain tissue without causing a patient discomfort, and, in some cases, can even perform surgery while the patient is awake.
Hope this helped! If it did, please consider giving this answer the brainliest answer crown!
All the best for your paper today!
Answer:
a
Explanation:
A spider may produce hundreds of eggs, only a few of which may survive. This is an example of a. overproduction.
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.
