Answer: a. cervical enlargement.
Explanation:
Cervical enlargement corresponds to the enlargement of the spinal cord. The spinal cord is the origin of the spinal nerves that contribute to an important task of supplying blood to the upper limbs.
The cervical enlargement results in an increase in the volume of the motor cells in the ventral part inside the grey matter. The motor neurons which are sited posteriorly supply to the upper limbs. Those which supply to the distal muscles are situated further posteriorly.
The wolf exhibits caution and fear, because it now knows that attacking porcupines will result in getting stung by quills.
Answer:
D. An observation is based on evidence, an inference is not.
Explanation:
When you infer something, you're basically guessing at it, while an observation is something that you can see and prove.
Answer:
i think its like this ok
a) its one of number one so put d) the other number one
Explanation:
there are the one the oly i understand :) hope you help in something
Answer: Humans have a mutualistic relationship with microorganisms, primarily bacteria, in their digestive tract. Bacteria aid in digestion and regulate the intestinal environment, and in return, they feed off of the food humans eat.
Explanation:Humans have a mutualistic relationship with microorganisms, primarily bacteria, in their digestive tract. Bacteria aid in digestion and regulate the intestinal environment, and in return, they feed off of the food humans eat.