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Biology Ch. 15 &16

BiologyExam

QuestionAnswer
An arachnid has 8 legs
Spiders, scorpions and ticks are arachnids
Jointed appendages, open cicurlatory system, and a segmented body are characteristics of arthropods
All insects have 6 legs
The tympanum of a grasshopper is used for hearing
The outer skeleton is mad up of chitin
All arthropods have an open circulatory system
The leglike appendages on either side of a spider"s mouth armed with poisonous fangs chelicerae
The respiratory organs that are found in a spiders but NOT in insects are book lungs
Four pairs of walking legs, usually four pair of simple eyes, respiration by book lungs are characteristics of the class arachnida
The open circulatory system of the grasshopper ontains thse, which extract nitrogeneous wastes from the blood Malpighian tubules
Egg, larva, puppa are stages of what complete metamorphosis
Thin, transparent and crisscrossed wings with supporting veins are membraneous wings
The flight wings of butterflies and moths are scale-covered wings
The members of cass insecta share the following three pairs of walking legs, wings usually present, one pair of sensory antennas
An external opening of a trachea on the thorax or abdomen of an insect is a spiracle
The developmental process of insects through egg, nymph, adult is know as incomoplete metamorphosis
The removal of wastes in earthworms occurs through the nephridia
The earthworm's "brain" is actually a pair of ganglia
the part of the earthworm which stores food is called the crop
the organ in the earthworm which grinds the food is called the gizzard
Created by: 100001394738728
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