PMT 106 Entomology Unit 2 questions and answers

PMT 106 Entomology Unit 2 questions and
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answersh

International Code of Zoological Nomenclature classification
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system: (7) - CORRECT ANSWERS ✔✔1. Kingdom
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2. Phylum
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3. Class
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4. Order
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5. Family
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6. Genus
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7. Species
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International Code of Zoological Nomenclature classification
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system: (7) Example: House fly - CORRECT ANSWERS ✔✔1.
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Kingdom: *Animalia* |\




2. Phylum: *Arthropoda*
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3. Class: *Insecta*
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4. Order: *Diptera*
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5. Family: *Muscidae*
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6. Genus: *Musca*
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7. Species: *Musca domestica*
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Scientific names are written ___ or ___. - CORRECT ANSWERS
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✔✔Italicized or underlined |\ |\

,Genus is written ___. - CORRECT ANSWERS ✔✔Capitalized
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Bilateral symmetry - CORRECT ANSWERS ✔✔The halves of the
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arthropod body, from the tip of the head to the end of the
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abdomen, are the same internally and externally. The left half of
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the arthropod body matches right half.
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Segmented body - CORRECT ANSWERS ✔✔All arthropods have |\ |\ |\ |\ |\ |\ |\ |\


___ ___. However, the number of segments will vary across the
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different classes of arthropods. |\ |\ |\




Three (3) body regions - CORRECT ANSWERS ✔✔Insects have ___
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body regions. |\




Two (2) body regions - CORRECT ANSWERS ✔✔Crustaceans,
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millipedes, centipedes, and arachnids have ___ body regions.
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Paired jointed body appendages - CORRECT ANSWERS ✔✔Related
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to bilateral symmetry e.g., legs, antennae, and mouthparts
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Exoskeleton - CORRECT ANSWERS ✔✔An external skeleton |\ |\ |\ |\ |\ |\ |\


composed of a protein-like substance called *chitin*, which
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makes the hard "shell" of arthropods. It is practically
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indestructible, provides a large area for muscle attachment, |\ |\ |\ |\ |\ |\ |\ |\


prevents or inhibiting desiccation, and provides a means of
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protecting internal organ systems |\ |\ |\

,Discontinuous growth - CORRECT ANSWERS ✔✔Arthropods |\ |\ |\ |\ |\ |\


undergo ___ growth. They must shed their exoskeleton to grow
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and reach maturity since the exoskeleton cannot expand and
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grow as an arthropod matures.
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Complete digestive tract - CORRECT ANSWERS ✔✔All arthropods
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have a ___ ___ ___ with openings at *either end.*
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Dorsal heart and aorta - CORRECT ANSWERS ✔✔All arthropods
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have an open circulatory system with a ___ ___ and ___.
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Surface gills, book lungs, or trachea - CORRECT ANSWERS ✔✔The
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respiratory systems of arthropods are varied and may occur by
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means of ___ ___, ___ ___, or ___.
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Excretory system - CORRECT ANSWERS ✔✔Arthropods have a
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variety of adaptations for eliminating waste products from their
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bodies, including *coxal glands, green glands, or malpighian
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tubules*.


Dorsal brain with a ventral nerve cord - CORRECT ANSWERS
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✔✔Arthropods possess a ___ brain with a ___ nerve cord. |\ |\ |\ |\ |\ |\ |\ |\ |\




Highly developed sensory organs - CORRECT ANSWERS
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✔✔Arthropods have ___ ___ sensory organs that perform various, |\ |\ |\ |\ |\ |\ |\ |\ |\


specialized function. These include: compound eyes, simple eyes,
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antennae, sensory hairs, and appendages.
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, True - CORRECT ANSWERS ✔✔True or False: All arthropods
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species have separate sexes. |\ |\ |\




Arthropods are extremely successful in exploiting a wide variety
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of habitats worldwide. A number of things contribute to the
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success of arthropods, including: (5) - CORRECT ANSWERS ✔✔1.
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*Large number* of species |\ |\ |\




2. *High productive rate*
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3. *Ecological diversity*
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4. Adaptations to live on *land, in water, or both*
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5. Being the only group of invertebrates which includes species
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that *have wings*
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Class Crustacea - CORRECT ANSWERS ✔✔Common Name:
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Crustaceans


Examples: Sowbugs, shrimp, crabs, crayfish, and lobsters
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*Two (2)* body regions
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*Five (5) or more* pairs of legs present
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*Two (2)* pairs of antennae
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Breathe by *gills or through body surface* - CORRECT ANSWERS
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✔✔Crustacean Characteristics: |\




___ body region(s) (cephalothorax and abdomen)
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___ or more pair(s) of legs present
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