Your SlideShare is downloading. ×

How do ecosystems change

338

Published on

Published in: Education, Business, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
338
On Slideshare
0
From Embeds
0
Number of Embeds
3
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. How doecosystems change?Grade 3
  • 2. Waysecosystemschange :
  • 3. Volcanoes
  • 4. Fires
  • 5. Floods
  • 6. ways animalschangeecosystems:
  • 7. 1.locusts1. locusts
  • 8. 2. beavers builddams
  • 9. 3. earthworms dig holesin soil- bring oxygen toplant roots
  • 10. wayspeoplechangeecosystems:
  • 11. 1. build houses
  • 12. 2. clear forests
  • 13. 3. introduce new plants &animals(accidentally or on purpose)
  • 14. 4. throw out garbage
  • 15. 4. Air pollution

×