The White Cliffs of Dover, England, are composed of shells of ancient diatoms
Indicate whether the statement is true or false.
ANSWER: False - forams
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Ernest Rutherford's key experiment on alpha particle bombardment of gold foil was important to the development of
A. detection methods for protons. B. alpha particle emitters. C. gold as an element. D. the modern model for atomic structure. E. the concept that atoms have a homogenous distribution of protons throughout the atom.
Ovulation typically occurs on day ____ of a 28-day ovarian cycle
a. 1 b. 7 c. 10 d. 14 e. 28
Identify and briefly describe the two phyla of seedless vascular plants. Include one or two representatives of each
phylum. What will be an ideal response?
Cheetahs that have experienced a genetic bottleneck would be characterized by evidence showing that
A. the body is long, thin, and graceful. B. rates of genetic mutation are low in this species. C. these cats are members of an endangered species. D. they originally came from small areas of Africa. E. the population has low levels of genetic variability.