the highest level which is the 'apex preditor' or in other cases its called a 'tertiary consumer'
C waning crescent and waxing crescent
Please post the questions
Answer:
The answer is A.
Explanation:
The alerting system which is a part of the reticular activating system that provides the consciousness for us using the connections between the brain stem, cerebrum etc. consists of Locus Coeruleus which are nucleus located in the brain that responds to psychological stimuli such as panic, stress or discomfort. So the answer is A.
I hope this answer helps.
