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SAT Biology Ecological (Biology-E)

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)


No. of Questions

Cellular and molecular biology
  • Cell structure and organization, mitosis, photosynthesis, cellular respiration, enzymes, biosynthesis, biological chemistry
  • Energy flow, nutrient cycles, populations, communities, ecosystems, biomes, conservation biology, biodiversity, effects of human intervention
18 - 19
  • Meiosis, Mendelian genetics, inheritance patterns, molecular genetics, population genetics
Organismal biology
  • Structure, function, and development of organisms (with emphasis on plants and animals), animal behavior
Evolution and diversity
  • Origin of life, evidence of evolution, patterns of evolution, natural selection, speciation, classifi cation and diversity of organisms
17 - 18

This is the syllabus for SAT Biology Ecological (Biology-E) published by College Board, United States.