Which statement about the beak size of finches on the island of Daphne Major during prolonged drought is true?
A) Each bird evolved a deeper, stronger beak as the drought persisted.
B) Each bird's survival was strongly influenced by the depth and strength of its beak as the drought persisted.
C) Each bird that survived the drought produced only offspring with deeper, stronger beaks than seen in the previous generation.
D) The frequency of the strong-beak alleles increased in each bird as the drought persisted.
Walrus using its tusks to hang on breathing hole in the ice near St. Lawrence Island, Bering Sea
The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black
Anatomical position of major neck structures
Major Adverse Effects of TCAs
The heart and its major blood vessels. Oxygen-rich blood is pumped from the lungs to the left