The illustration in the accompanying figure represents an early phylogenetic tree as depicted by ________
A) Dembski
B) Wallace
C) Lamark
D) Darwin
D
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Pigs have feet with toes that do not touch the ground. These are examples of
a. a vestigial structure b. something in the process of evolving c. homologous traits d. a deleterious mutation e. biological gradualism
The major Canadian geological deposit that contains numerous Cambrian animals is the
A. Stomatolite formation. B. Ordovician coast. C. hydrothermal clays. D. Gondwana formation. E. Burgess shale.
Thinking scientifically relies on which of the following?
a. objective observation and experimentation b. statements from authorities c. intuition d. applying your preconceptions e. learning a list of facts
In a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous unaffected individuals mate?
a. They will have affected offspring. b. They will have unaffected offspring. c. Cannot be determined based on the information given. d. There is a 25% chance they will have affected offspring.