On entering a germinal center, the primary B-blasts grow exponentially to form which cell type in the dark zone?

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#Question id: 4608

#Zoology

What must be true of any organ described as vestigial?

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#Question id: 4609

#Zoology

Pseudogenes are ________.

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#Question id: 4610

#Zoology

It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that ________.

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#Question id: 4611

#Zoology

Given what we know about evolutionary biology, we expect to find the largest number of endemic species in which of the following geological features, which have existed for at least a few million years?

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#Question id: 4612

#Zoology

The greatest number of endemic species is expected in environments that are ________.

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#Question id: 15002

#Zoology

If you performed a dihybrid cross and found that your results were significantly different from the 9:3:3:1 ratio, what would you suspect?