High productive agricultural soils; long, cold winters; perennials; grazing mammals and burrowing rodents; fires. 

A. desert
B. savanna
C. taiga
D. temperate grassland
E. tropical rain forest


D. temperate grassland

Biology & Microbiology

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The most common neurotransmitter in the central nervous system (CNS) is _____

A) acetylcholine B) epinephrine C) glutamate D) nitric oxide E) gamma-aminobutyric acid (GABA)

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How do modified and unmodified histone subunits become distributed among nucleosomes after replication?

A. The newly synthesized DNA strand contains unmodified histone subunits, while the old strand retains the modified histones. B. Both strands of DNA are repopulated first with a mixture of modified and unmodified H2A histones, followed by mixtures of H2B, H3, and, finally, H4. C. Both strands of DNA are repopulated first with a mixture of modified and unmodified H2A and H2B histones, followed by mixtures of H3 and finally mixtures of H4. D. Both strands of DNA retain H3-H4 modified pairs, and then are repopulated with unmodified H3-H4 pairs, followed by modified and unmodified H2A-H2B. E. Both strands of DNA retain H2A-H2B modified pairs, and are then repopulated with unmodified H2A-H2B pairs and then mixtures of modified and unmodified H3-H4 pairs.

Biology & Microbiology

What is the difference between a food chain and a food web?

What will be an ideal response?

Biology & Microbiology

The outer membrane is found in the cell walls of (1) bacteria and contains (2)

What will be an ideal response?

Biology & Microbiology