Answer: Organelles, Cell, Proteins, Tissue, Organ, Organism.
Explanation: I hope this helps, I had this subject a month or so back and I still have my notes.
Answer:
Option 2, Arousal
Explanation:
Reticular activating system (RAS) or the ascending arousal system consists of nuclei and tracts and is involved in the regulation of wakefulness, sleep aspects and arousal.
RAS is located in the mesopons and interacts with the basal forebrainand thalamocortical systems. It activates the cerebral cortex and thereby maintain the consiusness. The neurons located at the pontomesencephalic junctionparticipates in this activity of arousal.
Hence, option 2 is correct
Answer:
The answer is Homo Erectus.
Explanation:
There is evidence that the first hominid species that controlled fire and migrated was homo erectus which was about 400.000 years ago but it is not accurately known and can range between 200.000 and 1.7 million years.
I hope this answer helps.
Answer: It can create unique landforms, such as wave-cut cliffs, sea arches, and sea stacks. Deposits by waves include beaches. They may shift along the shoreline due to longshore drift. Other wave deposits are spits, sand bars, and barrier islands.
Explanation: