Examlex
When an organ pipe,which is closed at one end only,vibrates with a frequency that is three times its fundamental (first harmonic) frequency,
Lactose Tolerance Allele
A variant of the gene that allows adults to digest lactose, a sugar found in milk, indicating an adaptation to dairy consumption.
High-Elevation Adaptations
The physical or physiological changes that enable organisms to survive and reproduce at high altitudes.
Positive Selection
A process by which beneficial genetic variations that increase fitness are selected for and become more common in a population.
Avian Influenza
A viral infection spread from bird to bird, often highly contagious and potentially deadly, also known as bird flu.
Q7: The center of gravity and the center
Q20: When a certain truck stands on a
Q21: Two satellites of the same mass are
Q28: A pump is used to circulate oil
Q42: The main process by which heat is
Q51: Which gas has the lowest density under
Q55: A substance undergoes a series of reversible
Q73: A hurricane strength wind is blowing past
Q81: A blue line in the spectrum
Q94: As a wave moves to the right