Upcoming Unit Test Details

Test Date

• Scheduled Date: 28th (Exact day of the week not specified)
• Focus: All invertebrates studied so far, except for the last unit to be covered next week.

Test Structure

• Multiple Choice: 24 questions
• Matching Sections:
  • Section 1: Match fila names to common animals (e.g., Jellyfish to Nidaria, Clam to its fila)
  • Section 2: Match fila to their characteristics (e.g., soft segmented bodies to Annelida, joint appendages to Arthropoda)
• Diagrams:
  • Label parts of a grasshopper
  • Label parts of a sea star (replacing last semester's earthworm)
• Short Answer Questions:
  • Explain two major trends in animal evolution with examples (e.g., symmetry types)
  • Describe adaptations of a specific invertebrate to its environment
  • Describe one sessile and one motile invertebrate found in British Columbia

Key Topics to Study

General Characteristics

• Key characteristics shared by all animals
• Key characteristics specific to Porifera and their ecological roles

Body Plans & Anatomy

• Body orientation terms: anterior, posterior, ventral, dorsal
• General body plan of Cnidarians (both medusa and polyp forms)
• Internal anatomy of a squid

Specific Groups

• Platyhelminthes: Role in ecosystems
• Mollusks: Classes and feeding methods
• Echinoderms: Movement mechanisms
• Sponges: Types of cells

Systems & Structures

• Open vs. closed circulatory systems
• Exoskeleton composition of arthropods
• Endoskeletons in invertebrate animals

Grasshopper

• General body plan
• Mentioned frequently, important for diagram section

Reproduction

• Various reproductive methods of different organisms
• Specific focus on crayfish (may be switched with another organism)

Miscellaneous

• Metamorphosis in arthropods (transformation from larva to adult)