Erwin and Scott used an insecticidal fog to knock down insects from the top section of a L. seemannii tree. The researchers identified over 900 species of beetles among the individuals that fell. Erwin also projected that this entire tree from top to bottom is host to about 600 arthropod species that are unique to this tree species and not found on any other tree species. There are approximately 50,000 species of tropical trees. Although it could not be entirely accurate, what would be the best way to estimate the total number of arthropod species?

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#Question id: 12762

#Unit 10. Ecological Principles

Find  appropriate option for  given question . The figure above depicts the intensity versus frequency curve of an a2coustical receptor of the larva of a noctuid moth. The larva is preyed on by a wasp whose vibrating wings produce a0buzz.

On the basis of the figure, it can be predicted that the wasp buzz 1has a frequency

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#Question id: 3695

#Unit 3. Fundamental Processes

DNA polymerase is highly processive and required for the elongation phase of DNA replication?

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#Question id: 5222

#Unit 11. Evolution and Behavior

 When does exon shuffling occur?

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#Question id: 7285

#Unit 5. Developmental Biology

During xenopus gastrulation, C3a functions as a short-range chemoattractant to guide the radial intercalation movements of cells. If Knockdown of C3a with antisense morpholinos results:

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#Question id: 5091

#Unit 5. Developmental Biology

In all vertebrate animals, development requires ________.