APES Vocabulary Unit Two

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Across
  1. 2. The range of conditions (such as temperature, humidity, pH) that an organism can endure.
  2. 5. The relative abundance of each species in a community, measuring how evenly individuals are distributed among the different species.
  3. 8. The first species to colonize a barren or disturbed area in the process of ecological succession.
  4. 10. The non-material benefits people obtain from ecosystems, such as cultural, spiritual, and recreational values.
  5. 11. The tangible benefits that humans obtain from ecosystems, such as food, water, timber, and other resources.
  6. 13. The process of ecological succession that occurs in an area where no soil is initially present.
  7. 15. The number of different species present in a given area.
  8. 16. The variety of habitats present in a region or ecosystem
  9. 17. The process by which organisms evolve characteristics that make them better suited to their environment and way of life.
  10. 18. The services provided by ecosystems that help regulate environmental conditions, such as climate regulation, pollination, water purification, and disease control.
  11. 19. Services that are necessary for the production of all other ecosystem services, including nutrient cycling, soil formation, and primary production.
  12. 21. The breaking up of large, continuous habitats into smaller, isolated fragments.
Down
  1. 1. Species with a broad ecological tolerance and can thrive in a variety of environmental conditions.
  2. 3. sharp decrease in the size of a population due to environmental events or human activities.
  3. 4. The number of different species (species richness) and their relative abundance in a given area.
  4. 6. Species with a narrow ecological tolerance, adapted to specific environmental conditions.
  5. 7. A species that has a disproportionately large effect on its environment relative to its abundance, influencing the structure and diversity of an ecosystem.
  6. 9. The process of ecological succession that occurs in an area where the existing community has been disrupted but the soil is still intact.
  7. 12. The study of the distribution and dynamics of species on islands and other isolated areas.
  8. 14. The variety of genetic material within a species or population.
  9. 20. The variety of life in a particular habitat or ecosystem, including the number of different species, genetic diversity within these species, and the variety of ecosystems.