Biology Questions and Answers
Arthropods
- What are some examples of
arthropods?
Ants, flies, cockroaches, shrimps, crabs,
spiders and scorarthropods. pions are examples of
- What are the classes into
which the phylum Arthropoda
is divided? What are the three
main ones and some of their
representative species?
The three main classes of arthropods
are: insects (cockroachs,bees, beetles, butterflies), crustaceans ants, flies, (^)
(crabs, lobsters, shrimps, barnacles)
and arachmites). Otnids (scorpioher classes arens, spid ers,
onychophorans (velvet worms),
diplopods (millip(centipedes). edes) and chilopods
- What are the main
morphological features of
arthropods?
Arthropods present tfeatures: they are metameric behree distinguishingings
(segmented body), they have anexoskeleton made of chitin and they (^)
present articulated limbs.
- Concerning germ layers and
the presence of coelom how
are arthropods characterized?
Arthropods are triploblasticthree germ layers) and coelomate (they hav e
beings. - Considering the presence of
segmentation (metameres) in
their body to which other
already studied phylum are
arthropods proximal?
Considering their metameric farthropods are proximal to annelids thateature (^)
also have segmented bodies. In theembryonic development of some
arthropods there are fusions ometameres forming structures like, f (^) for
example, the cephalothorax of
arachnids.
- What is the external rigid
carapace of arthropods called?
Of which substance is it
made? Which type of organic
molecule is that substance?
The external carapace ocalled exoskeleton. The arthrof arthropods ispod
exoskeletonitrogen-containinn is made of chitin, ag polysaccharide.
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