Biology Vocabulary ChallengeOnline version Test your knowledge of biology terms and definitions in this engaging vocabulary game! by Caitlin Daggett 1 Cell Biology 2 Genetics 3 Ecology 4 Physiology 5 Evolution 6 Evolution Cell Nucleus Mitochondria Ribosome Cytoplasm DNA Gene Chromosome Allele Mutation Ecosystem Biodiversity Habitat Niche Food Chain Homeostasis Metabolism Respiration Circulation Digestion Natural Selection Adaptation Speciation Fossil Mutation Natural Selection Adaptation Speciation Fossil Mutation