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Sonbull [250]
2 years ago
11

Why do some species demonstrate seasonal dimorphism? What environmental triggers stimulate these physical changes? What physiolo

gical processes might play a role in these physical changes?
Biology
1 answer:
Irina18 [472]2 years ago
6 0

The main environmental factors that play inevitable role in seasonal dimorphism are temperature and the length of the day.

Seasonal dimorphism is a process by which a species of organisms change their look and appearance, especially in their size and color following the change in the seasons. The main environmental factors inevitable in this type of dimorphism are temperature and the length of the day. In simple words,  the phenomenon with one species having differently looking images at different times of the year is called seasonal dimorphism.

Summer drought stress and winter cold stress in a specific area are the environmental triggers that stimulate these physical changes.

Seasonal dimorphism is considered from the anatomical viewpoint. Significant differences can be observed between winter and summer leaves obtained from the same individuals.

Learn more about dimorphism here : brainly.com/question/4316806

#SPJ4

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Temperature inversion or thermal inversion is a phenomenon during which the temperature increase when there is an increase in the altitude. It is an uncommon process that happens in the troposphere-the layer of atmosphere closest to the earth.    

When there is an increase in temperature with altitude, that warm air acts as a blockage for the cool air near the surface of the earth. So this is just opposite to the normal behavior of the air, where it becomes cooler with an increase in altitude.

So how air circulation behaves during inversion?

So as we said that the cool air nearer to the earth will be blocked by a layer of warm air. This blockage will hinder the circulation of air upwards from the lower layers. Let’s see how:

• As we know that, warm air is less dense and more buyout than cool air and normally less dense warm air is close to the earth and cool air is in above layers. But when the process is reversed, this warm air acts like a blanket for the proper circulation of air. Due to this, many environmental pollutants which normally leave the earth during air circulation get trapped in our air.  

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• The improper air circulation also causes suspension of the harmful gases near the earth instead of allowing them to leave the earth atmosphere. This ultimately causes air pollution.  

• When smoke will not rise, carbon dioxide will be build up in the atmosphere; this will cause greenhouse effect and global warming.

Therefore, air circulation behaves very different during temperature inversion process and poses hazardous effects on global climate.

Hope it helps! :)

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The incidence of cystic fibrosis, a recessive genetic disorder in the Caucasian population of United States, is 1 in every 2,500
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