 | Term | Definition |
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Arthropods |
What is the largest group of invertebrate animals? |
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Jointed foot |
What does the word arthropoda mean? |
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Bilateral |
What kind of symmetry does an arthropod have? |
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Protective covering on the outside of the body |
What is an exoskeleton? |
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Shedding of the exoskeleton |
What is molting? |
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Arachnids, crustaceans, centipedes, millipedes, insects |
Name the five groups of arthropods commonly studied. |
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Feeling |
Function: antennae |
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Seeing dark & light |
Function: simple eyes |
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Seeing color |
Function: compound eyes |
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Eating |
Function: mouthparts |
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Movement |
Function: legs |
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Movement (flying) |
Function: wings |
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Breathing |
Function: spiracles |
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Reproduction |
Function: reproductive structures |
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Mollusks |
Which group of the invertebrates is the second largest in population size? |
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Life-cycle of an arthropod |
What is metamorphosis? |
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Sucking/piercing; sponging/lapping; biting |
What are the three feeding adaptations in insects? |
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Constant reproduction, camoflauge, exoskeleton, small, can fly |
Why are insects so successful? |
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Scorpions, ticks, mites, daddy-longlegs, spiders |
Which examples are found in the arachnid group? |
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2, 8 |
How many body regions are found in the arachnids? How many legs? |
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Venom, stingers, fangs, can make webs |
What special structures do the arachnids have? |
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Danger to people, kill insects, disease carriers |
Why are arachnids important to study? |
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Insects |
Which group of the invertebrates is the only one that flies? |
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Tick: larger & animal parasite; Mite: smaller & plant & animal parasites |
Distinguish between a tick and a mite. |
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Lyme diease, Rocky Mountain Spotted Fever |
Name two diseases carried by ticks (vectors). |
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Slugs, snails; decaying materials |
Explain the difference between a centipede and a millipede: what each eats |
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Moth has more plumage; butterfly is streamlined, brighter |
Explain the difference between a butterfly and a moth. |
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5; 2; 2 |
How many pairs of walking legs in crustaceans? Antennae? Body divisions? |
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Claws |
How are the first pair of legs modified? |
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Movement, reproduction, breathing |
What is the function of the swimmerets? |
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Food sources, disease, pest control |
Why are arthropods important to study? |
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Allow to eat each other, keep from reproducing |
List two ways to control insects. |
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Complete: egg-larva-pupa-adult; incomplete: egg-nymph-adult |
Explain the difference between incomplete and complete metamorphosis. |
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flat; rounded |
Explain the difference between a centipede and a millipede: body form |
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faster; slower |
Explain the difference between a centipede and a millipede: speed of movement |
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1; 2, fused |
Explain the difference between a centipede and a millipede: legs per segment |
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damp environment; wet environment |
Explain the difference between a centipede and a millipede: habitat |
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Jointed appendages, bilaterally symmetrical, segmented bodies, a body cavity, digestive system, 2 body openings, nervous system |
List 7 characteristics of Arthropods |
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700,000 species, 3 body regions, 3 pairs of legs, 0-2 pairs of wings, only flying invertibrates |
List 5 characteristics of insects |
