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Identify the following facts about animals.
earliest true animals from which all others likely evolved
features that mark the branching points of the evolutionary tree
way that animals differ from plants in obtaining food
Classify each animal below as having an endoskeleton or an
exoskeleton.
beetle shark
horse cicada
Analyze each habitat below. Give an example of an adaptation
that enables an animal to live in that habitat.
Habitat Adaptation
Polar region
Ocean
Rain forest
Summarize the important differences between animals and plants.
Introduction to Animals 247
General Animal
Features and
Feeding and
Digestion
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Support
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Habitats
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on page.
Animal Cell
Structure and
Movement
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on page.
Section 24.1 Animal Characteristics (continued)
Main Idea Details