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The process of song learning by white-crowned sparrows is similar to the process of territory-holding by African cichlid fishes because brain cells in both animals can change ____ in response to well-defined social stimuli.
Carbon Dioxide
A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in the atmosphere and is absorbed by plants in photosynthesis.
Storage Difficulty
Challenges associated with keeping goods, materials, or data preserved and accessible over time.
Biomass
Organic material derived from plants and animals, used as a renewable energy source when converted into fuel or power.
Developing Countries
Nations with lower living standards, underdeveloped industrial bases, and low Human Development Index (HDI) relative to other countries, often focusing on agriculture and facing challenges in health, education, and infrastructure.
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