Farewell to friends

1234567891011
Across
  1. 3. art meets science
  2. 7. found growing on green mesh
  3. 8. yucky scummy crud
  4. 11. beloved metal boat
Down
  1. 1. Time spent collecting
  2. 2. Esteemed science & research director
  3. 4. Nate’s first name
  4. 5. common acronym
  5. 6. would be a reindeer with er
  6. 9. will always be missed
  7. 10. will not be missed