What factors might further reduce the extent of the realized niche?

1 answer:

6 0

Limiting factors, such as carrying capacity, competition between species, natural resources, food, shelter, water, adaptation to the environment, etc.

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Is there any specialized cells in a white rhino?

guapka [62]

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Neurons and cartilage.

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1. Skeletal muscle fibers do not have gap junctions, but heart muscle cells do. Why do you think there is this difference? In ot

Mumz [18]

<h2>Gap junctions </h2>

Explanation:

Skeletal muscle also called as voluntary muscle, is anchored to bone by tendons and is used to effect skeletal movement in activities such as locomotion and maintaining posture
Muscle associated with heart is called cardiac muscle is also an involuntary muscle but is more akin in structure to skeletal muscle
Both cardiac and skeletal muscles are striated, they contain sarcomeres and are packed into highly regular, repeating arrangements of bundles
Skeletal muscle do no have gap junctions because they are not single cells
The gap junctions, which are protein-lined tunnels, allow direct transmission of the depolarizing current from cell to cell, across the chambers of the heart, so that the cells contract in unison
Because of the way these gap junctions function, the cardiac muscle cells are said to be electrically coupled

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How is muscle contraction reversed? A. Calcium binds to calmodulin and is quickly degraded to relieve calcium’s inhibition of tr

EastWind [94]

Answer:

When the stimulation of the motor neuron providing the impulse to the muscle fibers stops, the chemical reaction that causes the rearrangement of the muscle fibers' proteins is stopped.

Explanation:

This reverses the chemical processes in the muscle fibers and the muscle relaxes. hope this helps you :)

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3 years ago

Which process causes oxygen to flow from your lungs.to your bloodstream??

Advocard [28]

Answer: simple diffusion, the alveoli

Explanation: The oxygen enters the bloodstream from the alveoli, tiny sacs in the lungs where gas exchange takes place (Figure below). The transfer of oxygen into the blood is through simple diffusion.

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How are different species created?

Sveta_85 [38]

The theory of evolution look it up and thats where you will get your anwser

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