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nexus9112 [7]
4 years ago
7

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)?

Biology
1 answer:
Vikki [24]4 years ago
7 0
CNS is brain and spinal cord. PNS are the sensory and motor neurons. The PNS breaks down further into the autonomic and the sensory-somatic nervous system. The autonomic breaks down further into the sympathetic and parasympathetic nervous systems. It is very complex but to answer your question when you touch a hot stove sensory neurons (PNS) send a message to the brain (CNS) and the brain process that the hand is being injured and reacts by sending motor neurons (PNS) to tell the hand to pull away.
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The ecology question above says : A fast swimming strong body fish such as a swimming which is adapted to clear fast and strong
Dafna11 [192]

Correct question:  A fast swimming strong body fish such as a <u>salmon</u> which is adapted to clear fast and strong water current would most likely be found in which aquatic zone? Options in the attached file

Answer:

Source of a river zone

Explanation:

The fishes body is directly correlated with their environment and the pressures they receive from it. Those animals that are used to living in clear waters, with fast currents must be very strong, must have a hydrodynamic torpedo-like body and big and strong caudal fin to propel against the currents. These animals are used to living in water masses such as the source of a river zone.

Rivers belong to lotic environments, characterized by constant moving water.

  • Profundal zone: Sunlight can not reach this zone, so there are no plants. The Water movement is very limited, and in most cases, water is not clear.
  • Littoral zone: Is the transition zone, near the shore, where the light easily reaches the bottom. Usually, there is plenty of vegetation fixated to the bottom.
  • Wetland zone: In general these are calm water, very rich in diversity, and a proper breeding area for a wide variety of fish.
  • Source of a River zone: Rivers flow from higher to lower areas. They originate at the top of the mountains and fastly descend to finally end in a lake or in the sea.

Some species of salmons characterize by living in the sea during sexual maturity, but whenever they need to breed, they go back to the area where they were born. This is in sweet water. They swim in the river until they reach the place where they are going to oviposit. In order to do this, they need to swim against the current. Many times, females die trying to reach this special place.

7 0
4 years ago
What can result if calcium is not replaced in bone tissue?
Westkost [7]
For the answer to the question above, I believe the answer is that the bones get or have a greater risk for bone fracture <span>if calcium is not replaced in bone tissue. The bones could become more brittle. For women, they can suffer from Osteoporosis. </span>
5 0
3 years ago
State the ph of the of the digestive system
mojhsa [17]
Hey I don’t really know a lot about this but there teaching me it in my science and math class
3 0
3 years ago
Irregular stream flow which causes swirling of water in a specific area and localized erosion causes a deeper section known as a
BigorU [14]

Irregular stream flow which causes swirling of water in a specific area and localized erosion causes a deeper section known as a deneduation.

<h3>What is deneduation?</h3>

The processes of erosion, leaching, stripping, and diminishing the mainland as a result of material removal from higher to lower locations such valleys, river valleys, lakes, and oceans with a permanent filling of low lands are together referred to as denudation.

The elevation and relief of landforms and landscapes on Earth's surface by flowing water, ice, wind, and waves.

For more information regarding deneduation, visit:

brainly.com/question/2409221

#SPJ1

3 0
2 years ago
How many different types of genotypes are possible when working various pea seed color problems?
SVEN [57.7K]

Answer:

Option A, 3

Explanation:

Primarily all pea seeds have two colors one is yellow and other is green.

Let green color allele be represented by "G" and yellow color allele be represented by "g".

When we start working on pea seed color problem, there can be following possible genotypes -

a) Heterozygous green color - Gg

b) Homozygous yellow color - gg

c) Homozygous green color - GG

Hence, option A is correct.

6 0
3 years ago
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