The evidence for evolution includes which of the following?
A. the molecular record
B. the fossil record
C. anatomical record
D. All of the choices are correct.
Answer: D
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Evolution, viewed on a small scale, as it relates to changes in a single gene or allele frequency in a population over time, is called
A. macroevolution. B. speciation. C. genetic evolution. D. phenotypic evolution. E. microevolution.
A gymnosperm that produces a long taproot and only two leaves belongs to the genus Gnetum
____________________ Indicate whether the statement is true or false.
Organisms are classified based on whether they are made up of prokaryotic or eukaryotic cells. Which statement is correct about the organelles found in eukaryotic cells?
A) All the organelles have a very similar size and shape. B) All the organelles contain the same chemical compounds. C) Each type of organelle can be found in all types of cells. D) Each type of organelle has a specialized function.
Which of the following would support the statement that bacteria represent the most fundamentally diverse group on Earth?
A) Bacteria exist in varieties with and without cell walls. B) Bacteria come in several different shapes. C) Bacteria accomplish all characteristics of life as small, single cells. D) Bacteria are metabolically diverse regarding oxygen and food requirements.