Answer:
The mutations occur at a rate of 0.56 base changes every 1 billion years. If this rate stays consistent, the mutation rate can be used to determine when different lineages of a particular species split
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The hormone calcitonin is controlled by a negative feedback mechanism because it's release leads to the decrease of calcium blood levels.
<h3>What is negative feedback mechanism?</h3>
A negative feedback mechanism is the defined as a type of regulatory mechanism in the body where by the increased output of a system leads to a decrease of another system.
Therefore, the release of the hormone calcitonin (increased level of calcitonin in the blood) will lead to decrease in blood levels of calcium.
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The sky is blue because blue<span> light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. </span>Blue<span> is scattered more than other colors because it travels in shorter and smaller waves. This is why we see a </span>blue sky most<span> of the time. Hope this helps!</span>
Answer:
This means that there would be an ecological surplus, the allotted footprint of 1.9 hectares per person has been exceeded.
Explanation:
Ecological footprint measures our use and demand of nature and how much nature we have. It measures how much quantity of nature can be used to support people or an economy and it tracks this demand through an ecological accounting system.
Ecological surplus or deficit measures what is left over or how little a country's biocapacity is available. It is calculated by subtracting the country's ecological footprint per person from the country's biocapacity per person. They are both measured in global hectares (gha)