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balandron [24]
2 years ago
6

What roles do neurotransmitters play in the development of schizophrenia?.

Biology
1 answer:
Aleksandr-060686 [28]2 years ago
4 0
Research suggests schizophrenia may be caused by a change in the level of 2 neurotransmitters: dopamine and serotonin. Some studies indicate an imbalance between the 2 may be the basis of the problem. Others have found a change in the body's sensitivity to the neurotransmitters is part of the cause of schizophrenia.
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Consider a field plot containing 200 kg of plant material. Approximately how many kg of carnivore production can be supported? A
mixas84 [53]

Answer:

E) 2

Explanation:

The energy transfer through the food chain is not 100% from one consumer to another, or from the producer to the primary consumer, but instead it is around 10%. This means that if a producer has the 100% of energy, as it is the one that produces it, the primary consumer will only get 10% of its energy while consuming it, while the predator of the the primary consumer will only 10% from the primary consumer, or rather only 1% from the energy of the producer. In this case we have 200 kg of plant material. The plant material represents a producer, thus it is the one with 100% of energy. A herbivore will eat the plant material, getting 10% of its energy, thus this plant material is supporting about 20 kg of herbivore. The predator of the herbivore gets only 10% from the herbivore's energy, or only 1% of the producer's energy, thus only 2 kg of predator can be supported by the initial plant material.

8 0
2 years ago
A group of 250 women over the age of 40 are recruited for a study to determine the effects that calcium has on bone health. Half
egoroff_w [7]

Answer:

A. True

Explanation:

The result indicates that taking calcium has no effect on the development of osteomalacia in the women. This is because, of the over 120 women placed on the calcium supplements, it happens to be minimal number of people ( less than 20 people) that develop the osteomalacia disease of the bone.

6 0
3 years ago
+ Create
nekit [7.7K]

Answer:

True

Explanation:

Ice pellets are rain drops that have frozen <em><u>before</u></em> they hit the ground.

(They freeze while they're still in the air)

7 0
3 years ago
How did the kings of Ghana become wealthy?
andreev551 [17]
(C) they used trans-Saharan trade route to acquire expensive ivory.
5 0
2 years ago
The least-equipped organisms may not survive True False
Mademuasel [1]

Answer:

True

Explanation:

4 0
3 years ago
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