If You Use Standardized Tests in Your Study, You Should

question 82

Multiple Choice

If you use standardized tests in your study, you should label the second section of your Method section

• A) Apparatus.
• B) Materials.
• C) Equipment.
• D) Testing instruments.

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Definitions:

Hemocoel

A primary body cavity of most invertebrates, containing circulatory fluid instead of blood and distinguished by the lack of a true coelom.

Hemolymph

The fluid equivalent to blood found in most invertebrates, which occupies the interior cavity of the body and directly bathes the internal organs.

Open Circulatory System

A type of circulatory system in which the circulating fluid (hemolymph) is not entirely contained within blood vessels but bathes the internal organs directly in an open body cavity (hemocoel).

Arthropods

A large group of invertebrate animals characterized by their segmented bodies, exoskeleton, and jointed limbs, including insects, arachnids, and crustaceans.