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lara [203]
3 years ago
9

Is the original climax community in a ecosystem more likely to be restored after a natural disturbance or a human caused disturb

ance?
Biology
1 answer:
levacccp [35]3 years ago
6 0
Ecosystems disturbed by a nature will be eventually restored unless it's a really big cataclysm, but most of the ecosystems are now a human caused disturbance. For example there are plenty of species which are already extinct or nearly extinct because of hunting industry.
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Which forms a new nebula
slega [8]

Answer:

a

Explanation:

This is owing to some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova

8 0
3 years ago
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How many types of fat are there?
viva [34]
Polyunsaturated fats. The four types<span> have different chemical structures and physical properties. The bad fats, saturated and trans fats, tend to be more solid at room temperature (like a stick of butter), while monounsaturated and polyunsaturated fats tend to be more liquid (like liquid vegetable oil).</span>
5 0
3 years ago
Briefly describe how lateral inhibition increases apparent contrast at edges. In your response be sure to discuss the role of li
rusak2 [61]

Answer and Explanation:

The retina covers the internal phase of the eye. It characterizes by its complex interaction between many morphologically and functionally different cells, which are located in many layers. The principal processing mechanism in the retina is lateral interactions among cells, and the most common lateral processing is lateral inhibition.

Photoreceptors are those cells that receive the light and translate the luminous signal into an electrical signal. These are the cones and sticks.

The horizontal cells intervene in the lateral spatial interaction between photoreceptors.      

Bipolar cells receive information from the photoreceptors and from the horizontal cells and transmit it to the most internal layers in the retina.

The retina is stratified into five layers. One of these is the external plexiform layer, a contact zone between photoreceptors, horizontal cells, bipolar cells, and other cells.    

In the vertebrates´ retina, the lateral inhibition is produced for the first time in the external plexiform layer, through the horizontal cells. These cells connect to photoreceptors, other horizontal cells, and bipolar cells. The connection between horizontal cells might reduce or amplify the photoreceptor answer, and this last one is transmitted by the bipolar cells to the interior of the retina. In photoreceptors, there are two connections to horizontal cells, a direct connection, and an indirect one. The connection between photoreceptors, horizontal cells, and bipolar cells is known as lateral inhibition. By this inhibition, photoreceptors allow the contrasting perception in an image. Lateral inhibition allows discriminating one stimulus from other stimuli, by enhancing contrast and definition. The inhibitory modulation is produced by the inhibitor neurotransmitter GABA.The spacial extension of lateral inhibition changes according to the adaptation to light. Gap junction between horizontal cells and between photoreceptors and horizontal cells might vary with the amount of light.                      

4 0
3 years ago
what happens to the enzyme after an enzymatic reaction is complete? A) it loses a carbon atom B) it gains a water molecule C) it
suter [353]

The Option D is correct.

  • After enzymatic reaction, nothing happens with enzyme and it remain unchanged.

During an enzyme catalyzed reaction the enzyme bonds with a specific substrate at the active site. This is called an enzyme-substrate complex. The substrate is converted into a specific product, but the enzyme remains unchanged. Enzymes accelerate reactions by factors of at least a million.


7 0
3 years ago
Discuss why science cannot answer all questions.
Fiesta28 [93]
Because scientists are not the smartest people in the world and technology is not aged enough to do those kinds of things to figure it out. Also, ( I am a christian) God says in the bible that there are things that we will never understand but him. 
5 0
3 years ago
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