Shells Adv. (N-44)
requirements for the Advanced Shells honor are as follows:
Skill Level 3
- Define the term 'mollusca' or 'mollusk.'
- Learn the classification terms of mollusks, know the
distinguishing characteristics of each, and become acquainted
with several species under each class.
- Distinguish between univalve and bivalve mollusks from the
- Mollusk body
- Securing food
- Identify from shells or drawings and know the meaning of the
following conchological terms:
- Mother of Pearl
- Concentric lines
- Explain the development of a shell. How long do mollusks live?
- Give some facts about the life of a strombus pugilis (fighting
conch) and explain why this shell is so named.
- Explain the activities of the shipworm.
- What accounts for the distribution of mollusks.
- Name two mollusks that have no shells.
- Answer the following questions:
- How are bivalve and univalve animals fastened to their
- How is shell color controlled?
- What mollusk has four gills?
- From what sea animal was India ink formerly made?
- What mollusk spins a silken thread?
- What shells were used for money by ancient tribes?
- What shell is considered sacred by the Tibetans?
- Purple dye of ancient times came from the secretion of
- Name six commercial uses for shells.
- Do one of the following:
- Personally find and collect 40 species of shells
representing the five classifications. List each shell as to
the place and date it was found, and its common name,
scientific name, and class.
- Make a collection of 50 species of shells you have found,
received, or purchased representing the five classifications.
List each shell collected as follows: if personally found,
give the information called for under letter 'a.' above; if
received or purchased, give the name of the person from whom
the shell was received, the habitat of the shell, the date
of its acquisition, and its common name, scientific name,