Skip to content
9th grade biology test on invertebrates with questions about sponges, worms, mollusks, and an earthworm anatomy diagram to label.
Worksheet

Invertebrates Test

View Worksheet →

Download as-is, or customize
to fit your needs.

About:

This printable biology test for 9th graders assesses understanding of invertebrate phyla including Porifera, Cnidaria, Annelida, Mollusca, and Platyhelminthes. Students answer questions about sponge feeding, nematocysts, earthworm reproduction, cephalization, and digestive systems, plus label structures on an earthworm diagram. Suitable for unit assessments, exam prep, or cumulative biology review.

Subject:
Science
Topic:
Biology
Grade Level:
9th Grade
Updated March 2026

Word Bank

  • ventral nerve cord
  • esophagus
  • oviduct
  • ganglia
  • clitellum
  • seminal vesicle
  • dorsal blood vessel

How to Use This Worksheet

Print this worksheet for classwork, homework, or independent practice. Click 'View Worksheet' to edit questions, adjust formatting, or add your own content before downloading.

Related Activities

Para Pensar: Biology Word Search

This 11-word Spanish-language biology word search covers cellular and organismal topics for middle school students.

Cell Structure Crossword Puzzle

An 11-clue biology crossword covering basic cell structures and organelles.

Thomas Edison: Scientific Contributions and Biography

This printable science worksheet introduces 4th graders to Thomas Edison through three open-response questions about his scientific contributions, interesting life events, and historical significance.

Lenses and Mirrors

This printable science worksheet introduces 4th graders to lenses and mirrors through six open-response questions.

Daily Check-In

This printable daily check-in worksheet guides 9th graders through a brief personal reflection.

Urocordados (Tunicados) Crossword Puzzle

A 14-clue biology crossword in Spanish covering urocordados—marine organisms with characteristic tunics.

Browse More Activities