Answer:
1,3,4
A dichotomous key uses questions or statements to help identify organisms, it also uses characteristics in it's questions ( that may be yes-no) and statements to help separate organisms from one another.
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Explanation:
<h2>Answer:</h2>
Geographical location is the single most important factor in determining the temperature of a region.
<h3>Explanation:</h3>
The location of an area and its surrounding environment is most important in its temperature determination. As the area located near to the ocean has a low temperature. And areas which are far away from the waters and there is low precipitation which means low rain. It indicates the higher temperature areas.
Elevation of region, height from the sea level also affects the temperature of region.
Physical differences in beaks of birds would develop as a result of different environmental changes.
<h3>What is Evolution?</h3>
This is described as the process in which heritable characteristics are changed in species over successive generations. This occurs as a result of natural selection in which the traits suitable for survival are passed to the offspring.
This is usually as a result of a change in the environmental factors which ensures that the organisms are able to adapt so as not to die out and go extinct in this type of scenario.
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The branch of the posterior descending artery that supplies blood to the inferior chamber of the heart. The LMCA supplies blood to the left side of the heart.
<h3>What is the arterial network?</h3>
The circulatory system, also known as the vascular system, is made up of the blood and lymphatic vessels that transport fluid throughout the body. In addition to delivering oxygen and nutrients to the tissues and eliminating waste from the cells, the arteries and veins move blood throughout the body.
<h3>Which organ has arteries in it?</h3>
The blood vessels known as arteries carry oxygen-rich blood from the heart to all of the body's cells. They are a part of your cardiovascular system, which circulates your blood. For your body to receive nutrition, hormones, and oxygen, they are necessary.
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