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biology 0610printed 12 · PDF 12
328 pagesrevision 46933
printed 12 · PDF 12
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Each segment contains at
least one pair of jointed
legs
1 Pair of antennae
Insects
Body consists of the head,
thorax and abdomen
3 pairs of jointed legs
2 pairs of wings (one or
both many be vestigial)
1 pair of antennae
Butterfly
Arachnids
Body consists of the
cephalothorax and
abdomen
4 pairs of jointed legs
No antennae
Spider
Crustaceans
More than 4 pairs of
jointed legs
2 pairs of antennae
Breathe through gills
Crab
The plant kingdom includes ferns and flowering plants
Ferns:
Ferns have leaves called fronds
Don’t produce flowers but reproduce by spores produced on the underside of fronds