Waves of Change Crossword

1234567
Across
  1. 3. This marine mammal is often a victim of by-catchcat
  2. 4. Large nets used in commercial fishing that can be up to 50 kilometers long
  3. 6. This process involves catching fish faster than they can reproduce (10 letters).
  4. 7. The practice of catching unintended species while fishing (7 letters).
Down
  1. 1. Chemical pollution from farms can cause these harmful blooms in the ocean (4 letters).
  2. 2. Tiny plastic particles that pollute the ocean (13 letters).
  3. 5. The removal of these apex predators disrupts marine ecosystems (6 letters).