Catalog Search Results
Author
Publisher
Collins
Pub. Date
c2006
Accelerated Reader
IL: LG - BL: 4.4 - AR Pts: 1
Language
English
Description
Describes the habitats of these reptiles which scientists call a "keystone species" because they change the environment for their own use in a way that helps many other plants and animals.
13) Dinosaur tracks
Author
Publisher
Collins
Pub. Date
c2007
Accelerated Reader
IL: LG - BL: 4.7 - AR Pts: 1
Language
English
Description
Describes how footprints made by the dinosaurs have been preserved and what these impressions tell scientists about the animals which made them.
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