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Natalka [10]
3 years ago
11

Why is Parkinson’s disease is describe as degenerative disorder?

Biology
1 answer:
Anvisha [2.4K]3 years ago
6 0

Answer:

Parkinson's disease (PD) is a neurodegenerative disorder that affects predominately dopamine-producing (“dopaminergic”) neurons in a specific area of the brain called substantia nigra.

Explanation:

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On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to island, w
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Answer:

food sources

Explanation:

Because food sources varied from island to island, the finches with the best beak size and shape for the available food survived and reproduced better that those with beaks less suited to that particular island. Over time, the finches evolved into separate species.

8 0
3 years ago
Hi, biology help needed! Thanks for the help!
lord [1]

Answer:

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Hope this helps!   :)

Explanation:

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What information does the pain receptor relay to the brain about stimuli below threshold
kompoz [17]

The nociceptor does not relay any information to the brain about stimuli below the threshold. This is because stimuli below the threshold do not generate an action potential and thus the neuron is not actively signalling.

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Which of the following is the largest and least specific level of organization?
tamaranim1 [39]
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8 0
3 years ago
Which of the following statements best reflects the connection between the specific and non-specific immune systems?
asambeis [7]

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Nonspecific immunity is designed to deal only with microbes that are not a threat to the body, whereas, the specific immune system only deals with microorganisms that cause infection.

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