Some beetles and flies have antler-like structures on their heads, much like male deer. The existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of ________.

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#Question id: 1721

#XL - Q Biochemistry

Which of the following statements is TRUE of follicular dendritic cells?

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#Question id: 5324

#XL - T Zoology

In eusocial insects, males develop from unfertilized eggs while females develop from fertilized eggs. The ultimate consequence of this difference is that

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#Question id: 11405

#XL - R Botany

Vulnerability to extinction can be linked to species following characteristics. Which of the following statement are correct?

A. Endemism species are more prone to extinction than fragmented

B. Species that are capable of migrating between fragments of habitat, such as between mainland areas and islands, may be more resistant to extinction

C. Population variability species are less prone to extinct

D. Species with naturally long life spans may be more likely to become extinct

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#Question id: 20243

#XL - P Chemistry

The bond order of O ^-₂  is

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#Question id: 18523

#XL - R Botany

Hyoscymine alkaloid is derived from