In slash-and-burn agriculture, the yield from the first crop is usually quite high. Indicate whether the statement is true or false


True

Biology & Microbiology

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Which of the following is not one of the ways we can study grass evolutionary history?

A. Study the fossil record because grasses fossilize very well. B. Study the high-crowned teeth that help mammals browse on grass. C. Study the organic compounds incorporated into the phytoliths in the grass cells. D. Study special compounds formed as a result of C4 photosynthesis.

Biology & Microbiology

As systems biology matured, genomics led to understanding cellular regulatory systems and a new level of metabolic engineering, called ________, such that a microbe could be constructed with novel genetic networks (e.g., rerouting amino acid biosynthetic pathways in E. coli to produce biofuels).

A. functional proteomics  B. "parts listing" C. metaprotein genetics D. synthetic biology

Biology & Microbiology

The process by which a small balloon is used to widen a narrowed blood vessel is called balloon ________

Fill in the blank(s) with correct word

Biology & Microbiology

Animals can navigate by using 

A. sound. B. landmarks. C. sun. D. All of these answers are true.

Biology & Microbiology