Examlex
National boundaries made westward expansion difficult as they erected a barrier to settlement.
Seed Vaults
Secure storage facilities built to preserve genetic diversity by storing seeds under optimal conditions to ensure their long-term viability.
Genetic Diversity
The total number of genetic characteristics in the genetic makeup of a species, contributing to its ability to adapt to various environmental changes.
Maintain
To keep in an existing state or condition, preserving the status or level of something.
Gametophytes
The haploid phase in the life cycle of plants and algae that produces gametes (sperm and eggs).
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Q138: Black abolitionists developed an understanding of freedom