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#Question id: 5091


In all vertebrate animals, development requires ________.

#XL - T Zoology
  1. a large supply of yolk

  2. an aqueous environment

  3. extraembryonic membranes

  4. a primitive streak


Answer:- Option(s): 2


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#Question id: 9264

#XL - R Botany

In a comparison of birds and mammals, the condition of having four limbs is

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#Question id: 9265

#XL - R Botany

To apply parsimony to constructing a phylogenetic tree,

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#Question id: 9266

#XL - R Botany

which similarly inclusive taxon is represented as descending from the same common ancestor as Canidae?

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#Question id: 9267

#XL - S Microbiology

Three living species X, Y, and Z share a common ancestor T, as do extinct species U and V. A grouping that consists of species T, X, Y, and Z (but not U or V) makes up

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#Question id: 9268

#XL - Q Biochemistry

The most active photosynthetic tissue in higher plants is the

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#Question id: 9268

#XL - R Botany

The most active photosynthetic tissue in higher plants is the

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