2. Hosted by Mr. Janzen

3. 100 200 400 300 400 Too hard Mind- bender My brain hurts! Huh? 300 200 400 200 100 500 100

4. Row 1, Col 1 The nutrient that contributes to Acid Rain. (Nitrogen)

5. 1,2 What you call a group of organisms so similar to one another they can reproduce with each other. (A Species)

6. 1,3 This kind of biome has the greatest biodiversity on Earth. (Tropical Rainforest)

7. 1,4 This biome has the least biodiversity of any. (because so few things live there) (Permanent Ice)

8. 2,1 The main vegetation in this biome is coniferous trees. (Boreal Forest)

9. 2,2 This kind of succession would occur after a forest fire. (Secondary)

10. 2,3 At which trophic level do carnivores first appear? (Third)

11. 2,4 The process where plants and animal put carbon back into the atmosphere. (Cellular Respiration)

12. 3,1 When nitrogen gas (N 2 ) is converted into nitrate and ammonium, it is called... (Nitrogen fixing)

13. 3,2 When too many nutrients like nitrogen leach into lakes, algal growth increases. This is called… (Eutrophication)

14. 3,3 Calcium carbonate is a structural component of this kind of living organism. (Marine organisms)

15. 3,4 Accumulation of toxins is measured in… (it’s a unit of measurement) (Parts per Million - PPM)

16. 4,1 _________ is the height of a land mass above sea level. (Elevation)

17. 4,2 When one organism benefits, and the other one is neither helped nor harmed. (Commensalism)

18. 4,3 When both organisms in a symbiotic relationship benefit. (Mutalism)

19. 4,4 One species looks like another one that is poisonous or tastes bad. (Mimicry)

20. 5,1 One species benefits, the other is harmed. (Parasitism)

21. 5,2 All the members of a species in an ecosystem are called... (A Population)

22. 5,3 The place where an organism lives. (Habitat)

23. 5,4 The thin layer of air, land, and water on Earth’s surface where all living things exist. (The Biosphere)