Answer:
They've similar body structure
It is accurate to say that a fish has a more complex immune system than a jellyfish because a jellyfish don't have plasma or blood which makes it impossible for white blood cells to do their job to fight an infection.
Both the Fish and jellyfish live in an aquatic environment, which is very conducive to the transmission of disease bearing organisms. Fish therefore have a well-developed immune system which protects the fish from harmful infections or diseases.
The skin, lateral line, and gills of the fishes are the first line of defense against the pathogens. On the other hand, the jellyfish does not have plasma or blood in them which makes it impossible for white blood cells to do their job to fight an infection in order to protect the jellyfish.
Hence, the answer is given and explained above.
To learn more about the fish and jellyfish here:
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Answer:
(B) the nerve connecting the olfactory bulb sends impulses directly to the limbic system
Explanation:
The limbic system is the part of the brain that regulates memory, emotions, and hunger. It is composed by the hypothalamus, the thalamus and the amygdala of the brain. On the other hand, the olfactory bulb is responsible for coding and directing the information that enters through the smell through the olfactory neurons and to discern between the different smells.
Due to the proximity of the olfactory bulb to the limbic system, an associative learning process occurs in which the amygdala and the hippocampus interact; smells are associated with situations such as aversive or reinforcing stimuli, so certain odors provoke positive responses and other negative or aversive responses, directly affecting emotions.
I hope this information can help you.
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They don’t have many rights
