First invertebrates insects fossil appeared in which of the following geological ages?

a) Mesozoic b) Jurassic

c) Paleozoic d) Devonian

e) Permian f) Pennsylvanian

Which of the following combinations give the best answer?

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#Question id: 17266

#Unit 11. Evolution and Behavior

First human social life in vertebrates and decline of woody plants appeared in ____

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#Question id: 12031

#Unit 7. System Physiology – Animal

Obesity in humans is most clearly linked to ________.

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#Question id: 23497

#General Aptitude

Which of the following is the appropriate format of URL of e-mail?

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#Question id: 3529

#Unit 8. Inheritance Biology

Mendel crossed tall and round seeded pea plants with dwarf and wrinkle seeded pea. The F1 plants were all tall and round seed. What is the probability of tall plant with wrinkle seed in F2 generation?

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#Question id: 23491

#General Aptitude

Use of an ordinary telephone as an Internet appliance is called: