Arthropods. What are ARTHROPODS?. Coelomate Segmented Bilateral Symmetry Exoskeleton – made of protein and chitin Jointed appendages – any structure (leg or antennae) that grows out of the body. What are Arthropods ?. earliest invertebrates to exhibit jointed appendages
covering over most
of body OR
made of plates
that are held
together by hinges
Which of the following organisms would be most likely to have an exoskeleton reinforced with calcium carbonate?
The buoyancy of the water helps support the weight of the exoskeleton
Disadvantage: less protection
Advantage: greater freedom to fly and jump
Disadvantage: less flexibility, mobility
Advantage: more protection
and fused head and
into gills and into
Muscle movement brings air in/out through SPIRACLES (openings in abdomen and thorax)
of a book
Used for sound and odor communication
one pair of compound eyes and 3-8 simple eyes
at the tip
from side to side
Yes! This is a crustacean!
spray foul-smelling fluid
annelids and molluscs
to increase survival rate
Having 2 pairs of antennae distinguish _________ from other arthropods.
They remain unchanged after 220 million years!