L2/ECOSYSTEMS __________________

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Across
  1. 3. It can take centuries for a primary succession community to _____.
  2. 7. Type of succession where there are dramatic changes or disasters, but soil and organisms already exist.
  3. 8. Parasites found in local rivers, ponds.
  4. 10. MUTUALISM is symbiosis where both species_____.
  5. 12. Ecosystems are constantly _____.
  6. 14. Commensalism sealife found on whales.
Down
  1. 1. COMPETITION is when two species in the same habitat ____ each other for resources.
  2. 2. PARASITISM is symbiosis where one benefits, but ___ or kills the host.
  3. 4. Isle Royal studied the ecosystem of the __ and the wolf.
  4. 5. COMMENSALISM is symbiosis where one species benefits but the other is not ____.
  5. 6. PREDATORS are when one species ____ another for food/resources.
  6. 9. Pioneer succession plants on a (cooled) lava flow area.
  7. 11. Can lead to secondary succession event in a pine wood forest.
  8. 13. This flow stops most secondary plant growth for thousands of years.