References
Sources Used:
from http://www.nbcnews.com/id/13426864/ns/technology_and_science-science/t/
www.seaworld.org/animal-info/info-books/polar-bear/
marianatrench.com/mariana_trench-biology_001.htm.
Henes, D. (2009). Animal architects. Appleseeds, 11(7). 16-18.
forkids/ecosystems/
sea7468851/.
References
Page 147 LANGUAGE ARTS PERFORMANCE TASK GRADE 4