BIO 102 – Mastering Biology | Verified Questions with Detailed Answers [updated 2025]

BIO 102 – Mastering Biology | Verified
Questions with Detailed Answers
[updated 2025]

1. Nematodes and arthropods are the largest ecdysozoan phyla.
Which of the following statements are true?
-Both nematodes and arthropods possess an external covering, or cuticle.
-Nematodes possess a closed circulatory system.
-Arthropods possess an open circulatory system.
-Nematodes are acoelomate, whereas arthropods are coelomate.
-Some nematodes are parasitic on humans.
-Both nematodes and arthropods have segmented body plans.
-Both nematodes and arthropods must molt in order to increase in size.
-The cuticle in nematodes lengthens as the animal grows.
-Arthropods are named for their jointed appendages.
 -Both nematodes and arthropods possess an external covering, or cuticle.
 -Arthropods possess an open circulatory system.
 -Some nematodes are parasitic on humans.
 -Both nematodes and arthropods must molt in order to increase in size.
 -Arthropods are named for their jointed appendages.




2. The phylum Arthropoda includes four major lineages
 Cheliceriforms
 Myriapods