Evolution would be the answer you may be looking for.
Answer:
Yes.
Explanation:
Gorillas are "indeed vertebrates," vertebrates are animals that have a back bone plus spinal column. Vertebrates consist of Mammals, birds, reptiles, and fishes. Gorillas have fur which makes them a mammal which makes them a vertebrate.
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Examples of bacteriophages are: 1) Temperate phages (mu and lambda) 2) Filamentous and spherical phages , both having ssDNA (single stranded DNA)
The fight or flight response is most likely because of stress as this response usually occurs or happens when an individual is experiencing stress and when he or she is likely exposed to stimulus that will result the person to feel stressed and worn out.
Myelin sheaths are found on the outside of nerve cells. They protect the sensitive axons underneath like how insulation protects wires.