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50 Cards in this Set

  • Front
  • Back
Arthropods are characterized by
Hard Exoskeleton
Jointed Apendages
Segmented Bodies
Bialteral Symmetry
Insects have three body regions called
Head
Thorax
abdomen
the thorax has _ segments
3
Adult insects have one or two pairs of wings attached to the ______
thorax
all insects have ____compound eyes
lateral
_____legs are attached to the thorax
6
there are ______________described world species of insects
1 million
Insects may include _________
grasshoppers, butterflies, beetles, ants and more
Arachnids include
spiders, scorpions, ticks mites and more
there are_______described world species of Aracnids
65,000
Arachnids have two body regions called the
cephalothorax
abdomen
all Arachnids have_ legs
8
arachnids have no_____________
antennas
chelicerae are
modified appendages
chelicerae are also called__________inspiders
fangs
arachnids have mouth parts called
chelicerae
crustaceans are categorized as
subphylum
there are ________ described world species
44,000
the classes of crustaceans include
crabs, shrimps, lobsters, barnacles, isopods and more
crustaceans have_ body regions
2
crustaceans have _ pairs of antennas
2
crustaceans have _ or more pairs of legs
5
crustaceans are primairly______ few
aquatic
terrestrial
centipedes are classified as
chilopods
there are__________described world species of chilopods
2800
chilopods have a well-defined
head
the first pair of legs on a chilopods are modified for
envenomation
chilopods are___________from top to bottom
flattened
chilopods have _ pair of legs per segment
1
chilopods have one pair of
antennae
Millipedes are classified as
diplopods
there are _______________described world species of diplopods
10000
diplopods have _ pairs of legs per segments
2
the first _ segments
have_pair legs
4
1
diplopods have _ pair of antennae
1
diplopods have a well-defined________
head
diplopods are usually
cylindrical
all insects have a hard
exoskeleton
insects have _ jointed appendages
6
insects are the only arthropods that have the ability to_______
fly
______________is a change of body form
metamorphosis
insects have a variety of _____________ __________
mouthparts
all insects reproduce__________
sexually
fertilized eggs are laid on a ______________to feed the young when they hatch
food source
_____________is when an insect passes through 4 stages in its change
complete metamorphosis
the 4 steps of complete metamorphosis are1______________2_____________3_______________4
1egg
2larva
3pupa
4adult
an example of an organsm that goes trough the stages of complete metamorphosis would be a
butterfly
_______________is when an inset passes through only 3 stages in its change
incomplete metamorphosis
the three stages of incomplete metamorphosis are
1egg
2nymph
3adult
an example of an organism that goes through the stages of incomplete metamorphosis would be a
grasshopper