1. Plural of biota; the animal and plant life in a particular region or time period.
Usage: Typically used in scientific and ecological contexts.

Examples

• The biotas of tropical rainforests are among the most diverse on Earth.
• Scientists study the biotas of different ecosystems to understand biodiversity.
• Climate change threatens the biotas of polar regions.
• The island's unique biotas evolved in isolation for millions of years.
• Researchers compared the biotas of the two continents to trace migration patterns.