Invertebrate Zoology Flashcards PDF

# Invertebrate Zoology Flashcards ## Characteristics of Inverts Q: What are some general characteristics of invertebrates? A: - Lack a backbone - Diverse group including protozoans, cnidarians, annelids, and others - Can be microscopic or large (like giant squid) - Many have exoskeletons or hyd...

# Invertebrate Zoology Flashcards ## Characteristics of Inverts Q: What are some general characteristics of invertebrates? A: - Lack a backbone - Diverse group including protozoans, cnidarians, annelids, and others - Can be microscopic or large (like giant squid) - Many have exoskeletons or hydrostatic skeletons - Often have segmented bodies - Diverse reproductive strategies ## Different ways to divide/classify inverts Q: What are some ways to classify invertebrates? A: - By body plan (radial vs. bilateral symmetry) - By presence/absence of a body cavity (acoelomates, pseudocoelomates, coelomates) - By developmental patterns (protostomes vs. deuterostomes) - By habitat (marine, freshwater, terrestrial) - By feeding strategy (filter feeders, predators, parasites, etc.) ## Taxonomic Classification Q: What are the major phyla of invertebrates discussed in the documents? A: - Protozoa (not a formal phylum, but a group of single-celled eukaryotes) - Cnidaria - Ctenophora - Annelida - (Note: This list is not exhaustive, as the documents focus on these groups) ## General characteristics of protists Q: What are some general characteristics of protists? A: - Unicellular eukaryotes without collagen or chitinous cell walls - Non-photosynthetic (in the context of protozoa) - Occur wherever there is moisture - Often in close relation to other organisms (mutualistic, commensal, or parasitic) - Typically small in size (