A species that has a disproportionately large effect on its ecosystem relative to its abundance; its removal causes dramatic changes to the ecosystem structure.
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SAT Essential Vocabulary
by @donk · 1mo ago
High-frequency words from recent SAT exams, each with a definition, part of speech, and a usage example.

MCAT Foundational Concepts
by @donk · 1mo ago
The most commonly tested biology, biochemistry, general and organic chemistry, physics, and psychology and sociology concepts, organized by content category.

GRE Vocabulary
by @donk · 1mo ago
Common GRE words, each with a definition, part of speech, an example sentence, and a synonym.

Pharmacology Basics
by @donk · 1mo ago
Major drug classes, mechanisms of action, common indications, common side effects, and key nursing or patient considerations.

NCLEX Fundamentals (Nursing)
by @donk · 1mo ago
Vital signs, infection control, medication administration, common lab values, pharmacology categories, prioritization frameworks, and safety basics.

Medical Terminology
by @donk · 1mo ago
Common prefixes, suffixes, and root words used to build medical terms, organized by body system with example terms for each.
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OpenWhere Your Rupee Goes (India)
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OpenWhere Your Tax Dollars Go (United States)
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