What is the probable sequence in which the following clades of animals originated, from earliest to most recent?

1. tetrapods

2. vertebrates

3. deuterostomes

4. amniotes

5. bilaterians

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#Question id: 12264

#Section 1: Ecology

You discover several species of unpalatable insects that closely resemble each other. You propose that this is an example of __________ mimicry. 

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#Question id: 11171

#Section 1: Ecology

Starlings often decorate their nests with sprigs of carrot leaves because

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#Question id: 3458

#Section 2: Evolution

Which of the following examples reflects the concept of optimal foraging?

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#Question id: 7460

#General Aptitude

How many times do the hands of a clock coincide in a day ?

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#Question id: 3521

#Section 2: Evolution

Which of the following is incorrect about independent assortment?