An Endoskeleton Is the Primary Body Support for the

question 32

Multiple Choice

An endoskeleton is the primary body support for the

• A) annelids, including earthworms.
• B) insects, including beetles.
• C) cartilaginous fishes, including sharks.
• D) bivalves, including clams.
• E) crustaceans, including lobsters.

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Definitions:

Objective Lenses

The lenses on a microscope closest to the specimen, responsible for magnifying the image.

Rotating Nosepiece

A component of a microscope that holds the objective lenses and can be rotated to change magnification.

Body Tube

A body tube refers to the part of a compound microscope that connects the eyepiece to the objective lenses, allowing the user to view magnified images of the specimen.

100× Objective

A microscope objective lens that magnifies the specimen 100 times, often used with oil immersion to increase resolution.