Chapter 2 Flashcards
The tough material from which the external skeleton is made
Chitin
An invertebrate that has an external skeleton, segmented body, and jointed appendages
Arthropod
Most infects undergo a transformation in appearance known as this
Metamorphosis
The process in which an insect sheds its external skeleton
Molting
An animal that is active at night is this kind of animal
Nocturnal
The tiny hairs on a spiders body that are very sensitive to vibrations
Setae
Scientists who study insects
Entomologists
The process of arranging animals or other things into groups according to their similarities
Classification
The percent of all s belonging to the class of insects
90%
Insects have this many distinct body regions
3
Tubelike structures with which spiders squirt out long, thin streams of liquid silk
Spinnerets
These help an insect to feel, hear and taste
Antennae
All insects have how many pairs of jointed legs?
3
An insect resting in a chrysalis or cocoon
Pupa
The stages of incomplete metamorphosis
Egg, nymph, adult
The scientific name of an animal uses what names
Genus and species
A useful arachnid with one body section 8 long, scrawny legs and an appetite for plant lice and other insect pests
Harvestman or daddy longlegs
A parasite that might cause mange in animals or scabies in humans
Mite
An arachnid that has a long tail with a poisonous needlelike point on the end
Scorpion
The number of legs a spider has
8
The two distinct body regions of a spider
Abdomen and cephalothorax
Spiders breathe using this
Book lungs
Many young spiders leave the nest by sailing away on silk strands. This is called…
Ballooning
The spider that weaves a sheet web on a small portion of the ground
Platform spider
The spider that makes a net small enough to hold between its legs
Ogre-faced spider
The spider that sometimes digs a hole in the ground, lines it with silk, and builds a silk trap door
Trap-door spider
The spider that spends its entire life underwater
Water spider
The spider that is the largest in the world
Tarantula
Very poisonous spider with a dark violin shaped mark on its body
Brown recluse
Explain why Greek and Latin are used for the scientific names of animals
When animals were classified, educated people in the Western world were familiar with Latin and Greek. Latin and Greek terms were used by scientists so that scientists of all countries would understand what animal was being referred to
