Which of the following showed their greatest diversity during the Mesozoic era, but were a small, less diverse group during the Paleozoic era?
A) gymnosperms
B) fungi
C) flowering plants
D) mammals
A
Biology & Microbiology
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Genetic drift has a greater influence on _____ populations
A. Small B. Large C. It affects both equally
Biology & Microbiology
The chambers of the brain are the
a. ventricles. b. meninges. c. tectum. d. olfactory and optic bulbs. e. pineal glands.
Biology & Microbiology
The union of the sperm and the egg that results in a cell with 46 chromosomes is called a(n) ________
A) embryo B) zygote C) fetus D) trophoblast
Biology & Microbiology
What is the process that turns on the transcription of a gene or genes?
A. induction B. repression C. translation D. replication
Biology & Microbiology