Answer:
The external skeleton of arthropods is a highly efficient system for small animals. The exoskeleton provides a large surface area for the attachment of muscles and, in addition to functioning in support and movement, also provides protection from the external environment.
Explanation:
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The basic unit of nucleic acids are known as nucleotides
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By using google translate cause you can write it down on a piece of paper and give it to her
The structure of digestive tract are the mouth, stomach ,small intestine, large intestine, and anus .
<h3 /><h3>What are the layers of digestive tract ?</h3>
The gastrointestinal tract is formed by four layers , mucosa ,submucosa, muscularis and serosa are the layers of digestive tract.
Mucosa is the innermost layer , is above the mucosa , muscularis is the middle layer and serosa is the outermost layer of digestive tract
The functions of digestive tract is to digest the food , absorption of ingested nutrient and to excrete the waste products from the body . Most of the nutrients are ingested in a form that is either too complex for absorption or insoluble and incapable of being digested
to learn more about Digestive tract click here brainly.com/question/10469804
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