Angiosperms are thought to have originated about __________ years ago.
a. 100 million
b. 450 million
c. 360 million
d. 500 million
e. 140 million
Answer: e. 140 million
Biology & Microbiology
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In ____, genes at one locus mask the effect of genes at another locus
a. incomplete dominance b. codominance c. epistasis d. polygenic inheritance e. pleiotropy
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Which of the following prokaryotic nutritional
groups use CO2 and sunlight to produce energy? a. photoautotrophs b. chemoautotrophs c. photoheterotrophs d. chemoheterotrophs e. all of these
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What is a correct description of metaphase during mitosis?
What will be an ideal response?
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