Answer:
i think iam not sure it is C
The answer is D, Because dinosaurs appears in the Triassic period while insects appeared in the Devonian period which is about 160 million years about, which rules out A and B. Humans have been on Earth for almost 3 million years, which is nothing compared to the history of life in earth, which about 4,000 million years of life history, so D
1. The central nervous system including brain and spinal cord.
2. The peripheral nervous system including nerves coming out from the brain and spinal cord, i.e., cranial nerves and spinal nerves.
3. The autonomic nervous system including sympathetic nervous system and parasympathetic nervous system.
Answer:
A
Explanation:
Earth's orbit is not constant because it does not travel in a circle but more of an ellipses.
Answer:
B. Hypothalamus
Explanation:
Hypothalamus controls all the aforementioned functions. A tumor caused a reduces functionality
