In reptiles, birds, and mammals, mesoderm is made by invagination and involution into the

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#Question id: 3641

#Unit 3. Fundamental Processes

The point at which separation of the strands and synthesis of new DNA takes place is known as the:

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#Question id: 15674

#Unit 2. Cellular Organization

During which phase of the bacterial growth curve does the total number of viable cells decline?

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#Question id: 18585

#Unit 7. System Physiology – Animal

The relaxation technique that relieves tension and increases oxygen intake is ______.

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#Question id: 14848

#Unit 13. Methods in Biology

A bag contains 8 green and 10 white balls. Two balls are drawn. What is the probability that one is green and the other is white ?

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#Question id: 12100

#Unit 10. Ecological Principles

Prairie dogs once covered the expanses of the Great Plains. Their grazing made the grass more nutritious for the huge herds of bison, and a variety of snakes, raptors, and mammals   preyed on the rodents. In fact, the black- footed ferret (now endangered) specialized in prairie dog predation. Today, growing housing and agricultural developments have covered many prairie dog towns. Which of the following statements about prairie dogs is true?