Examlex
What led to the downfall of the Umayyads?
Hybridization
(1) Interbreeding between members of two different taxa. (2) Interbreeding between genetically dissimilar parents. (3) In molecular biology, complementary base pairing between nucleic acid (DNA or RNA) strands from different sources.
Plant Evolution
The study of the processes that led to the diversity of the plant kingdom, from the earliest forms of life to the vast array of plants we see today.
Mechanical Isolation
A prezygotic reproductive isolating mechanism in which fusion of the gametes of two species is prevented by morphological or anatomical differences.
Sexual Isolation
A prezygotic barrier where different species are unable to mate successfully due to behavioral, physiological, or environmental differences.
Q1: Term for identification: Axum
Q2: What was the reason Charlemagne issued the
Q2: What were the notable differences between the
Q6: Which of these statements is true of
Q12: Term for identification: Mongols
Q13: A good definition of history is _.
Q35: In what year did the people of
Q44: Term for identification: Babylonian Captivity
Q52: Explain both the internal and external nature
Q54: A(n)_ is a form of government in