Answer:
The answer is: Clonal selection produces memory cells that are long-lived and can recognize the antigen in the future.
Explanation:
A stimulus, the cockroach is sensed by your eyes.
Your eyes transmit nerve impulses from the optic nerve, the a group of sensory neurons, to the brain, the central nervous system.
In the brain, the impulse is then transferred by relay / association neurons to the motor neurons which signals the effector which is the muscle in your legs to contract, making you jump in shock
More than one third of North American bird species can be found in wetlands. Wetlands may contains fresh or salt water or both. Biodiversity and nutrient levels are high; many plants and organisms filter out waste materials. Birds like geese, ducks, herons, warbies, and egrets, to name a few, use wetlands for nesting and feeding.
Spinal nerves extending distal to the conus medullaris are collectively referred to as the Cauda equina. The correct option is e.
<h3>What is Cauda equina?</h3>
Cauda equina is the term used for all the spinal nerves and sacral nerves. These nerves are collectively called Cauda equina.
It is also a name for a disease where the nerve function of the bladder doesn't work properly and gets damaged. If the patient does not get treatment, he can get paralysis.
Thus, the Spinal nerves extending distal to the conus medullaris are Cauda equina. The correct option is e.
To learn more about Cauda equina, refer to the link:
brainly.com/question/13030333
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The question is incomplete. Your most probably complete question is given below:
a) spinal meninges.
b) denticulate ligaments.
c) filum terminale.
d) motor neurons.
e) cauda equina.
