Life Science Leap 2025 (LSSS ) Practice

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From Molecules to Organisms: Structures and Processes 25%
Ecosystems: Interactions, Energy, and Dynamics 25%
Heredity: Inheritance and Variation of Traits 25%
Biological Evolution: Unity and Diversity 25%
  • Questions 1,425
  • Vocabulary Terms 303
  • Performance Tasks 149
  • Instructional Videos 66

Test Standards

From Molecules to Organisms: Structures and Processes
1. (HS-LS1-1)  Structure of DNA
2. (HS-LS1-2)  Interacting Systems
3. (HS-LS1-3)  Homeostasis
4. (HS-LS1-4)  Mitosis
5. (HS-LS1-5)  Photosynthesis
6. (HS-LS1-6)  Organic Compounds
7. (HS-LS1-7)  Cellular Respiration
8. (HS-LS1-8)  Disease and Defense
Ecosystems: Interactions, Energy, and Dynamics
1. (HS-LS2-1)  Carrying Capacity
2. (HS-LS2-4)  Conservation of Matter and Energy
3. (HS-LS2-6)  Ecosystems
4. (HS-LS2-7)  Human Impact
Heredity: Inheritance and Variation of Traits
1. (HS-LS3-1)  Heredity
2. (HS-LS3-2)  Genetic Variations
3. (HS-LS3-3)  Distribution of Traits
Biological Evolution: Unity and Diversity
1. (HS-LS4-1 )  Biological Evolution
2. (HS-LS4-2)  Mechanisms of Evolution
3. (HS-LS4-3)  Natural Selection
4. (HS-LS4-4)  Adaptation
5. (HS-LS4-5)  Changes in the Environment
6. (HS-LS4-6)  Human Impact on Biodiversity