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eimsori [14]
2 years ago
14

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Biology
1 answer:
SVEN [57.7K]2 years ago
5 0

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Explain how human activity can impact the limiting factors of river ecosystems.
lesantik [10]

Human activity can affect the river ecosystems because first of all humans take the water and use it for themselves, they also pollute it, disturb the ecosystems and kill fish or oysters etc. in the ecosystems.

3 0
3 years ago
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Explain El Niño, how it's identified, and its potential negative impacts.
drek231 [11]

Answer:

HE IMPROVED THE WORLD BY GIVING SOMTHING THAT IT DID NOT HAVVE

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6 0
3 years ago
portion of the serous membrane that covers and adheres to the lung is called the ________. The portion of the serous membrane th
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<h2>Visceral pleura</h2>

Explanation:

The portion of the serous membrane that covers and adheres to the lung is called visceral pleura

  • Pleura are the pair of membranous linings surrounding the lungs
  • The visceral pleura covers each lung surface, and the parietal pleura covers the inner surface of the thoracic cavity
  • The visceral pleura is a delicate membrane which dips into the fissures between the lobes of the lung
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3 0
3 years ago
In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the sy
Norma-Jean [14]

Answer:

Up-regulation.

Explanation:

Hormones may be defined as the chemical messengers of the body that can transmit information and maintains homeostasis. The hormones can directly go into the bloodstream and may release through the special ducts.

The receptors of the hormone is required for the binding of the receptors. To maintain the normal homeostasis of the body, the body shows the up regulation and down regulation. In up regulation the hormone levels increases in the body by increasing the receptor on the specific target organ.

Thus, the correct answer is up regulation.

7 0
3 years ago
The food web above represents feeding relationships in a biological community near a deep-sea hydrothermal vent. Hydrothermal ve
Pani-rosa [81]

Answer: c) Some organisms rely on energy captured from inorganic compounds to drive basic biological processes.

Explanation:

Deep-sea hydrothermal vents are hot spots of geothermal water. The organisms living in deep-sea vents cannot obtain energy from sunlight. They are dependent on chemosynthesis, which involves the utilization of inorganic substances to produce organic substances, which allows their survival and act as a source of energy. In the given situation, bacteria present on the surface of mussels are capable of chemosynthesis also the mussels are dependent upon inorganic hydrogen in seawater. Thus chemosynthesis supports the survival of organisms living in the deep sea vents.

6 0
2 years ago
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