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Bio I - Ch 24 Review

QuestionAnswer
Typical primitive arthropods such as trilobites had bodies that were composed of many segments.
What does molting enable arthropods to do? to grow
The trachea of grasshoppers are filled with air.
Which of the following habitats do arthropods occupy? [sea, land, air] all of the above
An arthropod is vulnerable to predators during the molting period because its new exoskeleton is soft.
Which of the following invertebrates is NOT a crustacean? [horseshoe crab, fiddler crab, barnacle, crayfish] horseshoe crab
The body of an insect is divided into head, a thorax, and an abdomen.
When threatened, pill bugs curl into a ball.
An example of an arachnid is a spider.
Which insect is NOT classified in the same order as the others? [ants, crickets, bees, wasps] crickets
The easiest way to tell whether an arthropod is an insect or a spider is to count its legs.
The respiratory organ in terrestrial arachnids is the book lung.
How many pairs of legs are there on most body segments of a centipede? one
The following is NOT a likely reason for the evolutionary success of insects? Insects as a group are not very diverse because there are relatively few species. [Because insects have lots of species!]
The compound eyes of insects are made of many lenses.
Which appendages are found in insects but not in arachnids? wings
Which arthropod does NOT belong with the others?[isopod, barnacle, shrimp, copepod] shrimp
Which modern day arthropods are most similar to fossil trilobites?
Which of the following insect orders has the greatest number of species? [Coleoptera (bettles), Diptera (flies, mosquitoes), Isoptera (termites), Lepidoptera (moths, butterflies)] Coleoptera (beetles)
In a crayfish, the chelicerae bite and grind food. _________________________. False , mandibles
Entomology is the field of biology devoted to classifying and understanding the biology of crustaceans. _________________________ False, insects
In arthropods, ganglia are located along the _________________________. Nerve cord
Arthropods must undergo periods of ____________________ because their skeletons cannot grow. molting
Insects have three pairs of ____________________. legs
Most ____________________ have one or two pairs of wings attached to the thorax. insects
Lobsters, shrimp, and crabs are members of a group of crustaceans known as ____________________. decapods
An immature grasshopper resembles an adult grasshopper but does not have wings. Therefore, grasshoppers undergo ____________________ metamorphosis. incomplete
In arachnids, the head and the thorax are fused, forming the ____________________. cephalothorax
Arthropods vary in the number and structure of their body segments and jointed ___________________. appendages
During the transition between the larval and adult stages, an insect with complete metamorphosis becomes a(n) ____________________ pupa
Created by: tbillingsley
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