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jek_recluse [69]
3 years ago
9

Large area of land characterized by the plant and animal communities that live there

Biology
1 answer:
SOVA2 [1]3 years ago
8 0
The answer is
b. biome
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When your Math teacher was handing out the test, you noticed that your respiration rate and heartbeat increased, your palms got
Papessa [141]

Answer:

My pretest behaviors were triggered by the sympathetic nervous system, while my body returned to its normal state by the way of the parasympathetic nervous system, after the test.

Explanation:

The sympathetic nervous system and the parasympathetic nervous system are part of the autonomic nervous system. The main function of the autonomic nervous system is to regulate the heart, kidneys, and liver which are not under voluntary control. The regulation of the body’s unconscious actions is executed through the sympathetic and the parasympathetic nervous system.

Upon exposure to stressors or threats, the sympathetic nervous system is triggered. Epinephrine and norepinephrine are then released, causing acceleration of the heart, constriction of blood vessels, increase in blood pressure, profuse sweating and other related responses against stress. The sympathetic nervous system controls all these involuntary responses that could be termed “fight-flight-or-freeze” response.

On the other hand, the parasympathetic nervous system initiates what is termed “rest and digest” response, which occurs immediately after the “fight-flight-or-freeze” phase response to stress is over. The body is returned to its normal state by the parasympathetic nervous system. The parasympathetic nervous system releases acetylcholine, which regulates the function of the body during a period of rest or recuperation.  

5 0
3 years ago
The primary function of the proximal convoluted tubule is?
algol13

A) secretion of acids and ammonia

8 0
3 years ago
16. The substances that are reabsorbed did not diffuse (move) from the nephron bowl into the
SpyIntel [72]

Answer:

Active transport.

Explanation:

The kidney uses active transport  to move these substances from the nephron to the  renal vein because these substances did not moves from the nephron bowl to the renal vein through simple diffusion so for this purpose active transport is used in which energy is spent in order to move the substances from one region to another so we can say that kidney must use active transport to move reabsorbed substances from the nephron to the  renal vein.

4 0
2 years ago
It is a typical Wednesday for Thomas. He gets dressed for work in the morning, grabs his briefcase and drives to work. Today, Th
Serjik [45]
Thomas could maybe look back through his day and see where he put them
3 0
3 years ago
Would it be easier for an investigator to change the outcome of differentiation if a cell used cytoplasmic determinants or induc
IrinaK [193]

The correct answer is: Induction, because this could be easily changed by changing the cell's environment.

Cell differentiation (process by which cell becomes specialized) can be under the influence of many factors:

• Cytoplasmic influence because cytoplasm can influence and control the behaviour of nuclear genes.

• Embryonic induction-changing the cell environment

For example: if cells from one region of the embryo are transplanted to some other region that transplant will most likely differentiate according to the chemical regulators of the surrounding cells.  

• Proteins present in a cell influences its differentiation

• Cell-Cell interactions via cell-cell adhesion and signalling molecules.

5 0
3 years ago
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