The answer to the very question you are asking is "plants"
The answer is C: <span>The Neanderthals cared for the wounded and the elderly. The fact that the skeleton showed signs of broken bones that had healed indicated that the individual had been nurtured back to health after injury. The loss of teeth showed that the individual had lived to an old age.</span>
Answer:
An index fossil is also known as guide fossils or indicator fossil. They are fossils used to determine and identify geologic periods.
The main characteristics of an index fossil include :
1.It must be distinctive.
2.It must be widespread.
3. It must be abundant
4. It must be limited in geologic time.
Due to trends and studies of most fossil-bearing rocks being formed in the ocean, the major index fossils are mostly marine animal or plant organisms.
The dependent variable in the experiment is the timing of a cricket's chirps. Thus, the answer is letter C. This variable is dependent on the temperature of the box in which the cricket was placed. The students want to know the relationship between this two variables.
The answer is proteins. Hope this helps.