Evolutionary Biology
The branch of biology that studies evolutionary processes, adaptation, and descent with modification.
Ageing
Ageing: biological mechanisms, evolutionary explanations, and societal effects
A clear overview of ageing (senescence): its biological basis, evolutionary theories, population patterns, medical relevance, and distinctions between ageing, disease, and non‑agei
Alfred Russel Wallace
Alfred Russel Wallace: naturalist, biogeographer and co-discoverer of natural selection
Amotz Zahavi
Amotz Zahavi: Israeli evolutionary biologist and originator of the handicap principle
Amphibian
Amphibian: biology, life cycle, evolution and conservation
Overview of amphibians (class Amphibia): major groups, anatomy, life cycle, fossil origins, diversity, habitats and modern conservation challenges.
Apomorphy
Apomorphy (biology): derived traits and their role in phylogeny
Archaea
B chromosome
B chromosome (supernumerary or accessory chromosome)
Beetle
Beetle (Order Coleoptera): Diversity, Biology, and Importance
Beetles (Coleoptera) are the largest order of insects, with hundreds of thousands of described species and great ecological, economic, and evolutionary significance worldwide.
Butterfly
Butterfly: biology, life cycle, evolution, and human interactions
An accessible overview of butterflies: their classification, anatomy, life cycle, evolution with flowering plants, roles as pollinators, and human interest and conservation.
Cambrian explosion
Cambrian explosion: rapid diversification of animal life in the early Paleozoic
Charles Darwin's books
Charles Darwin's Books: scope, major works and lasting influence
Chelicerata
Chelicerata: anatomy, evolution, diversity and ecological roles
Cline
Cline (biology) — Gradients of variation across populations