Students must consult colleges (their websites) to determine which type of SAT Biology Subject Test (Ecological or Molecular) is required.
SAT Biology Ecological (Biology-E) Test Format
- Number of Questions: 80
- Time Allowed: 1 hour
- Test Type: Multiple Choice Questions (MCQs)
All questions have five answer choices.
Syllabus: SAT Biology Ecological (Biology-E)
Cellular and molecular biology – 15%
Cell structure and organization, mitosis, photosynthesis, cellular respiration, enzymes, biosynthesis, biological chemistry.
Ecology – 23%
Energy flow, nutrient cycles, populations, communities, ecosystems, biomes, conservation biology, biodiversity, effects of human intervention.
Genetics – 15%
Meiosis, Mendelian genetics, inheritance patterns, molecular genetics, population genetics.
Organismal biology – 25%
Structure, function, and development of organisms (with emphasis on plants and animals), animal behavior.
Evolution and diversity – 22%
Origin of life, evidence of evolution, patterns of evolution, natural selection, speciation, classification and diversity of organisms.