Arthropods

Question 1

One characteristic of arthropods are the ____ which allow for
more flexibility

Answer 1

Jointed appendages

Question 2

This arthropod senses detects movement, sound, and
chemicals

Answer 2

Antennae

Question 3

Arthropod senses as communication chemicals

Answer 3

Pheromones

Question 4

Arthropods may have 2 compound eyes and ___
simple eyes
– ___ eyes w/ one lens used to detect light
– _____ eyes w/ many lenses used to detect
movement and color

Answer 4

3 to 8
Simple
Compound

Question 5

this organ system removes waste

Answer 5

Malpighian tubules

Question 6

In social insects (honeybees & ants)
– unfertilized eggs (haploid) develop into the ____
– fertilized eggs (diploid) develop into the _____

Answer 6

male drones
female workers and queens.

Question 7

Three types of respiratory structures:
_____ – found in aquatic species
_____ – found in insects
 Hollow air passageways
 Spiracles are openings that allows air to enter or leave
_____ – found in spiders
 Air-filled chambers with leaflike plates

Answer 7

– Gills
– Tracheal tubes
– Book lungs

Question 8

Name six classes of arthropods.

Answer 8

 Arachnida, Crustacea, Chilopoda,
Diplopoda, Merostomata, and Insecta

Question 9

Examples of this class are Spiders, scorpions, mites, & ticks
They are found throughout the world in
nearly every habitat, but they reach their greatest
size and diversity in warm arid and tropical
regions
has 6 pairs of jointed appendages

Answer 9

Arachnida

Question 10

The body is divided into two parts:
The anterior part, the____
The posterior part of the body, the ____

Answer 10

cephalothorax
abdomen

Question 11

In the cephalothorax of arachnida:

 The first pair of limbs, called the _____, may form pincers or
poison fangs
 the second pair, the _____, may serve as pincers, feelers,
legs, hold reproductive parts

Answer 11

chelicerae
pedipalps

Question 12

The following are examples of ____
Crabs Crustacean
 Lobsters
 Shrimp
 Crayfish
 Barnacles
 Water fleas (Daphnia)
 Pillbugs

Answer 12

Crustaceans

Question 13

Centipedes - class ____
 Millipedes - class ____

Answer 13

Chilopoda
Diplopoda

Question 14

_______are carnivorous and have a
painful bite using fangs
 have an odd number (15-181) of
body segments
 One pair of legs per segment
 Generally flattened
 Have a pair of well developed antennae on
the head

Answer 14

Centipedes

Question 15

______
eat mostly plants
 They don’t bite, but they can release a
foul smelling fluid
can have 100+ segments,
each with 4 legs and two spiracles
 have more rounded bodies

Answer 15

Millipedes

Question 16

_____ are animals called living fossills and they belong to class ____.

Answer 16

Horseshoe crabs; merostomata

Question 17

The _____ has survived because it
can go a year without eating and endure
extreme temperatures and salinity

Answer 17

horseshoe crab

Question 18

 The largest class of arthropods!
 usually mate only once or they
might mate only a few times during
their lifetime
 They lay many eggs at once
 Eggs are fertilized internally
 is the most successful and
diverse class of organisms on earth

Answer 18

Class Insecta

Question 19

Class Insecta
 Have ___ body segments
 Have ___ pairs of legs
 Have __ pair of antenna
 Many fly

Answer 19

3
3
1

Question 20

Complete Metamorphosis – egg, ____,
pupa, and ____

Answer 20

larva; adult

Question 21

Larva is wormlike and are called ____
The ____ is a major change in body
systems

Answer 21

caterpillars
pupa stage

Question 22

butterflies, ants, wasps, beetles develops from egg to adult through a process called _____.

Answer 22

Metamorphosis

Question 23

_______ Metamorphosis – is a
gradual change with three stages
 Egg, ____, and adult
 ______ look like tiny adults
 Examples are _______

Answer 23

Incomplete
nymph
Nymphs
cockroaches and grasshoppers