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21. |
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Understanding ecology
by Billington, Elizabeth T.
Publication:
New York, F. Warne 1968
. 87 p.
24 cm.
Date:1968
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22. |
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Guardians of tomorrow; pioneers in ecology
by Hirsch, S. Carl.
Publication:
New York, Viking Press 1971
. 192 p.
24 cm.
Date:1971
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23. |
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Ecology; habitats, niches, and food chains.
by Nickelsburg, Janet.
Publication:
Philadelphia, Lippincott 1969
. 128 p.
21 cm.
Date:1969
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24. |
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The daily planet : a hands-on guide to a greener environment /
by Griss, Paul.
Publication:
Toronto : Key Porter Books, 1990
. 232 p. ;
, On cover: Reduce, reuse, recycle, replace.
23 cm.
Date:1990
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25. |
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Life in ponds.
by Gorvett, Jean.
Publication:
New York, American Heritage Press 1970
. 31 p.
, First ed. published in 1952 under title: Pond life.
20 x 23 cm.
Date:1970
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26. |
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Les Maoris /
by Macdonald, Robert,
Publication:
Paris : | Montréal : Éditions Gamma ; | Éditions École active, 1994
. 48 p. :
, Comprend un index.
28 cm.
Date:1994
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27. |
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Island woodland plants /
by Martin, Kathy,
Publication:
Charlottetown : Dept. of the Environment/Dept. of Community anm Cultural Affairs, 1983
. 74 p. :
22 cm.
Date:1983
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28. |
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Island woodland plants /
by Martin, Kathy,
Publication:
Charlottetown : Dept. of the Environment/Dept. of Community anm Cultural Affairs, 1983
. 74 p. :
22 cm.
Date:1983
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29. |
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Patterns of the pond /
by Evans, Millie.
Publication:
Charlottetown, PEI : Prince Edward Island Department of Environment, 1977
. 53 p. :
22 cm.
Date:1977
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30. |
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Who eats who in rivers and lakes? /
by Campbell, Andrew,
Publication:
North Mankato, MN : Smart Apple Media, 2007
. 32 p. :
, Includes index | Originally published: London : Franklin Watts, 2005.
28 cm.
Date:2007
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31. |
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Who eats who in grasslands? /
by Butterfield, Moira,
Publication:
North Mankato, Minn. : Smart Apple Media, 2007
. 32 p. :
28 cm.
Date:2007
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32. |
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Who eats who in the desert? /
by Campbell, Andrew,
Publication:
North Mankato, Minn. : Smart Apple Media, 2007
. 32 p. :
, Originally published: London : Franklin Watts, 2005.
28 cm.
Date:2007
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