Reverse the digits of each of the following numbers and arrange them in descending order. Which of the following will be the middle digit of the second

highest number? 739, 279, 359, 189, 549

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#Question id: 5089

#Unit 5. Developmental Biology

The archenteron of the developing sea urchin eventually develops into the ________.

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#Question id: 5090

#Unit 5. Developmental Biology

Which of the following is a correct description of the fate of the germ layers?

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#Question id: 5091

#Unit 5. Developmental Biology

In all vertebrate animals, development requires ________.

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#Question id: 5108

#Unit 5. Developmental Biology

The absence of limbs in snakes may be attributable to the evolution of changes in:

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#Question id: 15765

#Unit 5. Developmental Biology

What is symmetrical differentiation?

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#Question id: 15768

#Unit 5. Developmental Biology

A stem cell has the power to produce many different types of differentiated cells. This phenomenon is known as