In an adaptive radiation, numerous related lineages arise in a relatively short time and evolve in many different directions as they adapt to different habitats or ways of life. Radiation, rather than directional trends, is perhaps the most common pattern of long-term evolution. Which statements is not true for adaptive radiation?

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#Question id: 5207

#Unit 11. Evolution and Behavior

Why is it unwise to try to relate an organismʹs complexity with its size or number of cells?

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#Question id: 10973

#Unit 7. System Physiology – Animal

An 11-year-old premenstrual female presents with a painful knee after mild trauma. Upon further evaluation you observe soft tissue bruises. The child is an orphan and there is no family history. The foster mother reports no other problems. The aPTT is prolonged and the PT is normal. A complete hematologic workup would yield

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#Question id: 5718

#Unit 8. Inheritance Biology

aneuploids may arise through nondisjunction, the failure of homologous chromosomes or sister chromatids to separate in meiosis. which of following the incorrect about nondisjuction ?

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#Question id: 11474

#Unit 7. System Physiology – Animal

The blind spot in the human retina is the location that has the collected axons of ________.

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#Question id: 11998

#Unit 10. Ecological Principles

Of the following examples of ecological effect leading to an evolutionary effect, which is most correct?