What statement best describes the concept of mutation?
A)It only occurs through external influences on an organism.
B)It only occurs in sex cells AND is always inheritable.
C)It only occurs in the weakest organisms.
D)It is random in terms of fitness of organisms AND cannot be inheritable.
E)It is inheritable when occurring in sex cells AND is random in terms of fitness of organisms.
E
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What types of rocks would be most common in the volcano in this photograph?
A) Scoria and other vesicular basalt
B) Basalt mostly formed in lava flows
C) Felsic and intermediate lava flows
D) Pillow basalts
E) None of these are correct.
The lionfish is
A) an introduced invasive species that is causing declines in native Caribbean reef fish. B) an invasive species in the Caribbean but is controlled by local predators. C) threatened in many parts of its range but is recovering thanks to the REEF program. D) valued by local Caribbean communities because of its value as food.
Where are Earth's weather systems located?
A. troposphere B. stratosphere C. thermosphere D. mesosphere
Photosynthesis yields _________, respiration yields _________, and DNA expression yields _________.
Fill in the blank(s) with the appropriate word(s).