CHAPTER 32- DEUTEROSTOMES
QUESTIONS WITH COMPLETE
ANSWERS { GRADED A+}
deuterostomes - ✔✔-guts develop from posterior to anterior
-coelom develops from out-pockets of mesoderm
-larvae are bilaterally symmetric
-high diversity in adult body plans, feeding methods, locomotion, reproductive
strategies
-"second-mouth"
echinoderms - ✔✔-named for the spines or spikes observed in many species
-feed on algae or other animals (suspension or deposit)
-adults have penta-radial symmetry
-endoskeleton of CaCO3
, -has water vascular system and tube feet
-includes starfish and sea urchins
invertebrates - ✔✔-animals that are not vertebrates
-95% of all known animal species is called this
tube feet - ✔✔Extensions of an echinoderm's water vascular system that stick out
from the body and function in movement and obtaining food.
chordates - ✔✔-phyla of deuterostome
opening in throat called pharyngeal gill slits
-dorsal hollow nerve cord that runs length of body
-has notochord that runs length of body
-muscular post anal tail
-includes cephalochordates, urochordates, and vertebrates
cephalochordates - ✔✔-type of chordate
-small torpedo shaped animals with fish like appearance
-adults live on ocean floor, burrow in sand, and suspension feed
QUESTIONS WITH COMPLETE
ANSWERS { GRADED A+}
deuterostomes - ✔✔-guts develop from posterior to anterior
-coelom develops from out-pockets of mesoderm
-larvae are bilaterally symmetric
-high diversity in adult body plans, feeding methods, locomotion, reproductive
strategies
-"second-mouth"
echinoderms - ✔✔-named for the spines or spikes observed in many species
-feed on algae or other animals (suspension or deposit)
-adults have penta-radial symmetry
-endoskeleton of CaCO3
, -has water vascular system and tube feet
-includes starfish and sea urchins
invertebrates - ✔✔-animals that are not vertebrates
-95% of all known animal species is called this
tube feet - ✔✔Extensions of an echinoderm's water vascular system that stick out
from the body and function in movement and obtaining food.
chordates - ✔✔-phyla of deuterostome
opening in throat called pharyngeal gill slits
-dorsal hollow nerve cord that runs length of body
-has notochord that runs length of body
-muscular post anal tail
-includes cephalochordates, urochordates, and vertebrates
cephalochordates - ✔✔-type of chordate
-small torpedo shaped animals with fish like appearance
-adults live on ocean floor, burrow in sand, and suspension feed
