Solve the crossword puzzle based on various with the help of the given clues.

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Across
  1. 2. These are extremely strange mammals.They are primitive egg-laying mammals.
  2. 7. It is a fatal brain disease of sheep and goats but is known to pose a risk to human health .
  3. 8. These trees of the Betula genus are known for having a thin peeling bark.
  4. 10. It is the fastest sea animal , which can read speeds up to 68 miles per hour.
Down
  1. 1. It is called the ‘unicorn of the sea’ because of the long tusk protruding from its jaw.
  2. 3. This creature is also known as ghost shark.
  3. 4. The japanese art of growing very small shrubs and trees.
  4. 5. This plant has a long tradition as a deadly plant and was used by ancient warriors to poison the water of their enemies.
  5. 6. A black fungus that grows underground and is used in cooking.
  6. 9. This insect is a part of the treehopper family and has a cool looking brightly coloured thorn sticking out of their heads.