Invertebrate Crossword Puzzle

QUESTIONS LIST:

• invertebrates: animals lacking a backbone or vertebral column
• biodiversity: the variety of life within a specific ecosystem or habitat
• phylum: taxonomic rank in biological classification (characteristics)
• cnidocytes: specialized stinging cells found in cnidarians, used for defense and capturing prey
• radial symmetry: symmetry around a central point (cnidarians and echinoderms)
• ekoskeleton: external hard covering, typically made of chitin, providing support and protection
• water vascular: unique hydraulic system in echinoderms for movement/feeding/respiration
• sessile: describes organisms that are permanently attached to a substrate and do not move
• filter feeder: organisms that obtain food by filtering particles from the water, as seen in sponges.
• gills: respiratory organs in aquatic organisms that extract oxygen from water
• conservation: respiratory organs in aquatic organisms that extract oxygen from water
• herbivores: organisms that primarily feed on plants
• carnivores: organisms that primarily feed on other animals
• ecosystem: biological community of interacting organisms and their physical environment.
• segmentation: division of an organism's body into repeating structures or segments