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Sponges, Cnidarians, Flatworms, Roundworms, Segmented worms, Molluscs, Arthropods, Echinoderms, Chordatas
What are the 9 major animal phyla?
Sponges, Cniderians, Flatworms, Roundworms
What were the four major animal phyla prior to the Cambrian Explosion?
Body cavity lined completely by mesoderm embryonic tissue, which separates the outer body wall from the inner digestive/other organs.
Which of the 9 major animal phyla have incurrent pores that allow water to move in and excurrent pores that pass the water out?
Which of the 9 major animal phyla are supported internally by spicules, which distinguish one species from another?
Cnidarians, Platyhelminthes (flatworms)
Which of the 9 major animal phyla have a gastrovascular cavity which breaks down food extracellularly for absorption?
Which of the 9 major animal phyla have primitive muscle cells for movement, and a primitive nerve net for coordination of the body?
Which of the 9 major animal phyla include box jellyfist and chironex, the most potent venoms in the world?
Which of the 9 major animal phyla have nematocysts, which are special organelles that are used to stab and envenomate prey/other animals?
Cnidarians. Polyps (sissile/nonmotile) and medusas (free-swimming)
Which of the 9 major animal phyla have two different body forms that are alternated between during life, and what are the names of the two forms?
Which of the 9 major animal phyla include planarias (free living), flukes (liver and blood parasites), and tapeworms (digestive parasites)?
Which of the 9 major animal phyla have flukes that absorb their food from their host tissues?
Which of the 9 major animal phyla hang in their host's digestive tract with scolex and reproduce with proglottids?
Which of the 9 major animal phyla were the first to have a complete gut (mouth, intestine, anus)?
Which of the 9 major animal phyla include ascaris, hookworm, heartworm, filaria worm, and Guinea worm?
Which of the 9 major animal phyla has 4 major groups: Chitons, gastropods, bivalves, cephalopods?
Which of the 9 major animal phyla are the first to have most major body organ systems (open circulatory, respiratory, digestive, sensory, nervous, muscular)?
Which of the 9 major animal phyla invented speed and intelligence in the Cambrian evolution arms race to compete with other evolving vertebrates and arthropods?
Which of the 9 major animal phyla have bodies that are generally soft and divided into repeating parts (segments)?
Which of the 9 major animal phyla are tunnelers and may have contributed to the melting of "snowball earth"?
Which of the 9 major animal phyla invented exoskeletons and jointed legs, which are the foundation of their success?
Which of the 9 major animal phyla have an advanced nervous system to interpret and respond to the world?
Which living organism today may be the descendent of the original multiple-segmented arthropod, that likely evolved from an annelid-ancestor?
Millipedes (herbivores, 4 legs per segment) and centipedes (carnivores, 2 legs per segment)
What are the two types of myriapods?
Sea urchins, sand dollars, starfish, brittle stars, sea cucumbers, sea lilies, feather stars
Which of the 9 major animal phyla have a water vascular system that is used to operate the tube feet that grip prey and pull them over their substrate?
Which of the 9 major animal phyla includes all animals that have pharyngeal gill slits and a notochord at least some point in their life?
Urochordates (sea squirts), cephalochordates (lancelets), and vertebrates
What are the three subphyla of Chordata?
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