Concept explainers
To identify:
The criteria that can be used to identify differences between animals and another organism.
Introduction:
Animals can be classified from other organisms based on the similarities and differences among them. Animals are extremely diverse in size, habitat, body form, and intelligence. The first animals arose about 570 million years ago (MYA).
To determine:
The criteria that can be used to identify differences between vertebrates and invertebrates.
Introduction:
Animals are mainly classified into two groups: Vertebrates and Invertebrates. Invertebrates and vertebrates are diverse in various groups.
To determine:
The criteria that can be used to identify the differences between protostomes from deuterostomes.
Introduction:
Animals are multicellular eukaryotic organisms. Animals are heterotrophic organisms and will depend on plants and other animals for nutrition. Animals can be divided into protostomes and deuterostomes.
To determine:
The criteria that can be used to identify the differences between ectotherms and endotherms.
Introduction:
Animals have several distinguishing characteristics that set them apart from other organisms. All animals are composed of cells, extracellular matrix, and glycoproteins. Animals can be classified into ectotherms and endotherms.

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Chapter 17 Solutions
BIOLOGY:ESSENTIALS NSU (LL)-W/ACCESS
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