Which Annelid Subgroup Has Many Chitin-Reinforced Bristles Called Chaetae on Their

question 12

Multiple Choice

Which annelid subgroup has many chitin-reinforced bristles called chaetae on their segments?

• A)polychaetes
• B)oligochaetes
• C)leeches
• D)earthworms
• E)tapeworms

---

Definitions:

Electrons

Subatomic particles with a negative electric charge, found in all atoms, responsible for chemical bonding and carrying electric current in conductors.

P Orbitals

P orbitals refer to the dumbbell-shaped orbitals in an atom, oriented orthogonally across three dimensions, and are capable of holding up to six electrons in three pairs.

Overlap

In chemistry, refers to the sharing of orbital space between two atoms contributing to the formation of a covalent bond.

Molecular Interactions

Forces that act between molecules affecting their physical properties and behaviors in biological and chemical systems.