The average of these numbers will be 177.42.
<h3>What is meant by average? </h3>
The number obtained by the addition of all the quantities present in a data set and dividing it by the total number of values of the data set is called average. The average value is used to express the central value of a data set.
It is used for various purposes. For example, when a company wants to find out the average age of the users of their products, the government wants to find the average age of smokers in an area.
The values presented in this case are - 135.0cm, 162.5cm, 180.0cm, 235.0cm, 185.0cm, and 167.5. Their average will be found by the sum of all these values and by dividing the sum by 6, the total number of values.
Here,
= 177.42.
Therefore, the average of this data set is 177.42.
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The two organisms displayed what is known as co-evolution.
<h3>Co-evolution</h3>
It is the reciprocal changes that take place in organisms of different species based on how they interact with each other.
Since yucca flowers and yucca moth change in response to changes in either one of them, they are said to co-evolve.
Co-evolution is a process that takes place gradually, over a long period of time. Without co-evolving, one of the two interacting organisms suffers and may end up going extinct or find another way to adapt.
More on coevolution can be found here; brainly.com/question/1489642
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LD50 is used to express TOXICITY OF TOXINS AND POISONS.
LD50 stands for Lethal Dose 50. This is the standard measure of the toxicity of a material, which will kill half of the sample population of a particular test animal in a defined time period, when they are exposed to the material.
Answer:
Jonas Salk was awarded the Nobel Prize for discovering a way to vaccinate against polio in the United States in the 1950's. This allowed millions of school-age children to avoid crippling disease, and to swim during summer again, as polio was often spread in public swimming areas before.
The statement that best describes how the polio vaccine works is:
It triggers the immune system to produce antobodies to fight the disease-causing agent.
Explanation:
There are two main reasons for this answer. The first one is that every vaccine is aimed to introduce a controlled amount of antigenes to be accepted by the organism. These antigens are made after some studies were conducted in a lab and were obtained from substances that the human body can accept to train the immune system to develop an effective defense for the virus or bacteria on the matter. In our case, the polio vaccine works the same way and allowed to save many lives.
