Guide to Eggshell Usage: An eggshell is the hard, outer covering of an egg. It consists mostly of calcium carbonate, a common form of calcium.

by Vincent Bronson

Insects and other arthropods lay a large variety of styles and shapes of eggs. Some of them have gelatinous or skin-like coverings, others have hard eggshells. Softer shells are mostly protein. It may be fibrous or quite liquid. Some arthropod eggs do not actually have shells, rather, their outer covering is actually the outermost embryonic membrane, the choroid, which serves to protect inner layers. The choroid itself can be a complex structure,...

• Format: Paperback
• Language: English
• ISBN: B08R8R3RXJ
• ISBN13: 9798586661661
• Release Date: January 1
• Publisher: Independently Published
• Length: 72 Pages
• Weight: 0.21 lbs.
• Dimensions: 0.1" x 5.5" x 8.5"