A microbial community containing very few species has a low species
a. abundance.
b. composition.
c. evenness.
d. richness.
Answer: D
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What is the correct order of these meiotic events?
A Segregation of homologous chromosomes to opposite poles. B Segregation of sister chromatids to opposite poles. C Alignment of homologous pairs on the midplate of the cell. D Pairing and synapsis of homologous chromosomes. E Condensation of chromosomes in a diploid nucleus. A) CDEAB B) DCEBA C) EDCBA D) EDCAB E) DCABE
In amphibians, what function does the cloaca
serve?
a. urination b. defecation c. reproduction d. locomotion e. all of these except locomotion
The large-scale patterns, trends, and rates of change among groups of species is
a. microevolution. b. macroevolution. c. species variation. d. population shift. e. population drift.
Photoautotrophs are the only organisms that can incorporate (fix) carbon dioxide into biomolecules.
Answer the following statement true (T) or false (F)