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ISB 6th Inverts
Review main invertebrate orders and characteristics practice for quiz
| Question | Answer |
|---|---|
| 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
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