II and III thesis statement topic sentences
The backbone is made of tiny bones, called vertebrae, that make up one large backbone, or vertebral column.
Sugar and phosphate are the parts that make up the DNA backbone.
The back
Vertebrae
The backbone is also known as the spinal column or spine, and the individual bones that make up the backbone are called vertebrae.
Your spine is made up of vertebra. Tarsals are in your feet!
An invertebrate has no backbone. This differentiates them from vertebrates, which do have a backbone or spinal column. Invertebrates make up the vast majority of animal species on Earth.
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sugar
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Deoxyribose sugars and phosphates make up the backbone of DNA.
endoskeleton;)