Abeka Grade 10 Biology Quiz 29

Front 1

From front to back, the three body regions of an insect are the ____, ____, and ____.

Back 1

head, thorax, abdomen

Front 2

An insect that begins life as a nymph that looks more and more like an adult after each molt undergoes _____ metamorphosis.

Back 2

incomplete

Front 3

An inset that goes through a larval stage and then enters a cocoon or chrysalis before becoming an adult undergoes _____ metamorphosis.

Back 3

complete

Front 4

The strong, lightweight external skeleton of an insect, arachnid, or crustacean is the ____.

Back 4

exoskeleton

Front 5

Scientists who study insects are called ___.

Back 5

entomologists

Front 6

The external skeleton of an insect is composed of lightweight, flexible material called ___.

Back 6

chitin

Front 7

Animals, such as insects, arachnids, and crustaceans, that lack backbones but have jointed appendages are classified as ___.

Back 7

arthropods

Front 8

Any animal without a backbone is a ____.

Back 8

invertebrate