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Ket [755]
3 years ago
8

Which of the following is composed of more than two hundred billion stars, including the sun? (1 point)

Biology
1 answer:
zalisa [80]3 years ago
8 0
Milky way i’m pretty sure
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2. Does microevolution typically happen over a long period of time or a short period of time?
Katyanochek1 [597]
Microevolution occurs over a relatively short period of time within a population or species. The Grants observed this level of evolution in Darwin's finches. Macroevolution occurs over geologic time above the level of the species.
7 0
3 years ago
Match the following.1. Sudden, transient disturbances of brain function marked by 2. Loss of muscle strength; breakdown of acety
STatiana [176]

Answer:

.1. Sudden, transient disturbances of brain function marked by = a) seizures

2. Loss of muscle strength; breakdown of acetylcholine, a = b) neurotransmitter

3. Degeneration of nerves in the brain leading to tremors, shuffling gait, and muscle (mask-like facial expression); dopamine is deficient in the = c) brain

4. Deterioration of mental capacity (dementia) beginning in middle age; cerebral cortex atrophy, microscopic = d) neurofibrillary tangles

5. Unilateral facial = e) paralysis.

Explanation:

1. Epilepsy: Epilepsy is a disease that is characterized by sudden, transient disturbances of brain function which includes seizures. Epilepsy could be caused by genetic reasons or a damage or injury to the brain. The condition of epilepsy can not be cured but it can be effectively managed. Symptoms of epilepsy includes: Headaches, foaming at the mouth, disorientation e.t.c

2. Myasthenia gravis: This is a disease is occurs due to the breakdown of a neurotransmitter called Acetylcholine. This results in the loss of strength in the muscles of the body. This disease can only be managed through the usage of drugs and therapy, it cannot be cured.

3. Parkinsons disease: This is a neurological diseases that involves the

degeneration of nerves in the brain leading to tremors, shuffling gait, & muscle stiffness (mask-like facial expression), tiredness e.t.c. Parkinson's disease can only be managed effectively through the use of medications and therapy, it cannot be cured.

4. Alzheimer's disease: This is a disease that involves the progressive deterioration of mental capacity (dementia) beginning in middle age and cerebral cortex atrophy. Alzheimer's disease leads to the formation of microscopic neurofibrillary tangles. There is no cure for Alzheimer's disease for now but it can be managed using cognition enhancing drugs as well as effective therapy.

5. Bell palsy : It can also be referred to as unilateral facial paralysis. It is a disease whereby one side of the face is paralysed and weakened. Bell palsy causes the side of the face to fall or become droopy. Bell palsy can be managed through the usage of drugs, and therapy.

6 0
3 years ago
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Only a few organisms react to their environment to survive <br> True<br> False
insens350 [35]
Only a few organisms react to their environment to survive. The statement is TRUE because <span>some organisms are able to adjust and even thrive and many of them cannot do the same and hence their populations' decreases.</span>
7 0
3 years ago
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Scientists wanted to cultivate fish in a closed system. What features should be included to ensure a closed system?
tekilochka [14]

Answer: C.) Prevent precipitation from entering the tanks

A closed system is a physical system which does not exchange any matter with it's surroundings. Prevention of precipitation from entering the tanks will prevent addition of matter (water) in the close system in which the fish is being cultivated.


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3 years ago
1. The table below shows the distance of the cat and the mouse from the cat's starting point at given times. After 1 second how
Goshia [24]

Answer:3 feet

Explanation:

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