Pollen from one species germinates on the stigma of another related species and sexually fertilizes the ovule. Most of the resulting plants are sterile but some of the resulting offspring undergo chromosome duplication resulting fertile plants. The fertile offspring are known as

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#Question id: 24226

#Aptitude

Patrick Henry is considered one of the great patriots of America’s early history. He was a leader in every protest against British tyranny and in every movement for colonial rights, openly speaking against the unfair taxation and overly burdensome regulations imposed upon the American colonists by the British Parliament. In March 1775, Patrick Henry urged his fellow Virginians to arm themselves in self-defense. He spoke boldly in Richmond, Virginia, during the meeting of the state legislature. He closed that famous speech with the immortal words, “I know not what course others may take; but as for me, give me liberty or give me death.”

 This passage best supports the statement that

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#Question id: 18073

#11. Evolution and Behavior

During which geological period was there an first definite evidence of land plants and algae dominant of many plants?

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#Question id: 11456

#7. System Physiology – Animal

During an auditory transduction, ion flow varies across the ________.

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#Question id: 11134

#7. System Physiology – Animal

Which of the following statements concerning synaptic transmission is correct?

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#Question id: 23356

#Aptitude

In which of the following situations the students can interact to one another in more liberal(free) environment?