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ISB 6th Inverts

Review main invertebrate orders and characteristics practice for quiz

QuestionAnswer
Characteristics of an animal consumers, most have true tissues, interact with the environment and other animals,
Invertebrate animals without bone tissue
Characteristics of Sponges sessile filter feeders with specialized cells
Spicules needlelike spines which make the sponge stiff, and used for protection
Asexual reproduction reproduction without exchanging genetic material
Sexual reproduction reproduction which involves the exchange of genetic material
Larva Immature form of an organism that is different from its parent
Bilateral symmetry only one line of symmetry, left and right
Radial symmetry having more than one line of symmetry
Characteristics of Cnidarians radial symmetry, tentacles, a single opening where food enters and waste leaves.
nematocyst stinging cell on a tentacle
Classes of cnidarians sea anenome, coral, jellyfish
Worms tube-shaped bodies with bilateral symmetry
Phyla of Worms segmentedworms, flatworms and round worms
Annelids segmented worms with organized body systems
Characteristics of Flatworms and Round worms simple body systems that move with cilia, may be parasitic
Characteristics of Mollusks soft bodied, with a foot and a mantle
Classes of Mollusks bivalves, gastropods, cephalopods
Characteristics of Echinoderms live in the oceans, adults have radial symmetry, feed on the sea floor
Examples of Echinoderms sea stars, sea urchins, sea dollars
Characteristics of Arthropods segmented body parts and an exoskeleton
Classes of Arthropods arachnids, crustaceans, insects, millipedes and centipedes
Characteristics of Insects 3 body segments, 3 pairs of legs, live mostly on land
Characteristics of Crustaceans varied number of body segments and pairs of legs. 2 pairs of antennae, live mostly in water
Characteristics of Arachnids 4 pairs of legs, 2 body segments, most on land
Molting shedding of the exoskeleton as an arthropod grows
Examples of Crustaceans crabs, lobsters, barnacles and sow bugs
Examples of Arachnids spiders, ticks, mites, and scorpions
Examples of Insects bees, ants, butterflies, grasshoppers
Metamorphosis process during the life cycle where the appearance and body systems undergo a change
Characteristics of Millipedes and centipedes long segmented bodies with many legs
Complete metamorphosis Life cycle that includes a larval, pupal, and adult stage.
Incomplete metamorphosis Life cycle where young grows gradually, and forms an reproductive adult life form at the end.
Gills Organs with high surface area, used to exchange gases in water animals.
Water Vascular System Hydraulic system used by echinoderms for movement, digestion and circulation.
Tube feet fluid filled muscular tubes used by echinoderms for movement and grasping
Three body parts of insects head, thorax and abdomen
Examples of bivalves oysters, clams and mussels
Examples of gastropods snails and slugs
Examples of cephalopods squid, cuttlefish, octopus
Medusa life form of cnidarian. Gelatinous umbrella shape body with trailing tentacles
Polyp life form of cnidarian. cylindrical, sessile body with tentacles above for feeding
Created by: bobolinx