Formation Has Begun on All Primary Dentition at ______ Month(s)

question 11

Multiple Choice

Formation has begun on all primary dentition at ______ month(s) .

• A)1
• B)2
• C)3
• D)4

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Definitions:

Chelicerates

A subgroup of arthropods that includes spiders, scorpions, ticks, and mites, characterized by the presence of chelicerae, which are claw-like mouthparts.

Crustaceans

Mostly marine arthropods with a calcium-hardened cuticle and two pairs of antennae; for example, lobsters, crabs, krill, and barnacles.

Antennae

Antennae are sensory appendages found on the heads of insects and some other arthropods, used for sensing the environment.

Radula

A unique, tongue-like structure in mollusks, used for feeding by scraping or cutting food before ingestion.