According to the $NCERT$ textbook, which of the following was the largest land dinosaur?

Which of the following statements is correct regarding the history of life on Earth?

The cause of aging in mammals,including humans,is:

Select the mismatched pair.

Gene flow occurs through generations. Gene flow can occur across language barriers in humans. If we have a technique of measuring specific allele frequencies in different populations of the world,can we not predict human migratory patterns in pre-history and history? Do you agree or disagree? Provide an explanation for your answer.

Cleidoic egg is an adaptation for