-
endocrine system to
respond to such events.
Nervous tissue first arose in
wormlike organisms about 550 to 600
million years ago. In vertebrates, it consists...
- de novo, for
example the coelom). Some of the
earliest bilaterians were
wormlike, and a
bilaterian body can be
conceptualized as a
cylinder with a gut running...
-
develop through holometabolism (complete metamorphosis)—that is, they have a
wormlike larval stage and an
inactive pupal stage before they
reach adulthood. The...
- as sediment-filled
tubes that
resemble trace fossils of the
burrows of
wormlike animals have been
found in 1.2 gya
rocks in
North America, in 1.5 gya rocks...
- The
Scolecomorphidae (from Gr****: σκώλεκώς skólekós, '
wormlike' and Gr****: μορφή morphḗ, 'form') are a
family of
caecilians also
known as
tropical caecilians...
- Many
animals with a
wormlike cylindrical body have a
hydrostatic skeleton with a
flexible skin and a water-filled body
cavity (coelom or pseudocoelom)...
-
Members of the
subclass Cestodaria, the
Amphilinidea and Gyrocotylidea, are
wormlike but not
divided into proglottids.
Amphilinids have a
muscular proboscis...
- all species. As the
embryo transforms from a
round blob of
cells into a
wormlike structure, a
narrow strip of
ectoderm running along the
midline of the...
- insects, worms, radiates, polyps, and infusorians.
Chordates are
remarkably wormlike by ancestry. In the 13th century,
worms were
recognized in
Europe as part...
-
Letheobia lumbriciformis, also
known as the
Zanzibar gracile blind snake or
wormlike beaked snake, is a
species of
snake in the
Typhlopidae family. It is endemic...
