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Invertebrate Animals Comparisons Student Copy
Sponges
Mollusks
Crustaceans
Cnidaria (Jellyfish)
Annelids (earthworms)
Insects
Flatworms
Centipedes, Millipedes,
Echinoderms (sea star)
Roundworms
Spiders
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Which invertebrate group uses diffusion for feeding, respiration, internal transport, and excretion?
Which invertebrate group has a cellular level of organization?
Which 3 invertebrate groups can reproduce asexually via regeneration?
Which invertebrate group has radial symmetry?
Which invertebrate group has an incomplete digestive tract & a brain?
Which invertebrate group has a nerve net around the mouth?
Which invertebrate group has a complete digestive tract but no brain?
Which invertebrate group is monoecious but has internal fertilization?
Which invertebrate group has only longitudinal muscles?
Which invertebrate group has circular muscles, longitudinal muscles, cilia, & slime (mucus) for
movement?
Which invertebrate group has three classes that are not alike, including one that has no head or
brain, and one that has a complex brain, eye with a lens, has memory, & can learn?
Which invertebrate group is asymmetrical (has no symmetry) or radial symmetry?
Which 2 invertebrate groups have radial symmetry only?
Which invertebrate group has a water vascular system?
Which invertebrate group is sessile as adults?
Which invertebrate group has flame cells for excretion?
Which 2 invertebrate groups (which are Arthropods) have Malpighian tubules excretion?
Which invertebrate group has green glands for excretion?
Which invertebrate group has skin gills for respiration?
What type of fertilization do spiders have?
Which invertebrate group has longitudinal & circular muscles & setae (bristles) for movement?
Which invertebrate group has a cuticle & uses diffusion across the body wall (skin) for respiration?
Which invertebrate group uses the water vascular system for excretion and movement?
Give an example of a mollusk that has a closed circulatory system.
Give an example of a mollusk that has an open circulatory system
Which type of Arthropod uses book lungs for respiration?
Which type of Mollusks are all predators (carnivores)?
What kind of internal transport do insects have?
Give an example of a Mollusk that has no head, no brain, & no cephalization.
Which invertebrate group uses tube feet for movement?