Which is a biotic component of an ecosystem?

A. water

B. archaea

C. rock

D. salinity

E. temperature


B. archaea

Biology & Microbiology

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One of the most intensively studied virulent phages which infects E. coli is

A. T9. B. T4. C. beta. D. gamma.

Biology & Microbiology

The processes of chemical cycling would be studied mainly by ________

A) an environmentalist B) a community ecologist C) a population ecologist D) an ecosystem ecologist

Biology & Microbiology

Arrange the following in order from most general to most specific

1 natural selection 2. microevolution 3. intrasexual selection 4. evolution 5. sexual selection A) 4, 1, 2, 3, 5 B) 4, 2, 1, 3, 5 C) 4, 2, 1, 5, 3 D) 1, 4, 2, 5, 3

Biology & Microbiology

What are attached at the centromere?

A. Daughter cells B. Genomes C. Sister chromatids D. Homologous chromosomes

Biology & Microbiology