Biology

Use “Quotation marks” for phrases/titles:

• "convergent evolution" "On the origin of species”

Use AND between different concepts (AND will narrow your search):

• “gene regulation” AND photosynthesis

Use OR between similar concepts/synonyms (OR will broaden your search):

• prairie OR grassland

Use Asterisk(*) for truncation:

• bacteri*= bacterium, bacterial, bacteria

Use Parentheses () to combine different and similar concepts:

• “population dynamics” AND fire AND (prairie OR grassland)