deuterostome animals

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

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Front (Question)

a series of tubes and chambers the radiates throughout the body, forming a sophisticated hydrostatic skeleton

Back (Answer)

water vascular systems

Front (Question)

what do Echinoderms often use their feet for?

Back (Answer)

they play a key role in obtaining food

Front (Question)

what are types if Echinoderms?

Back (Answer)

• feather stars and sea lilies • sea stars • brittle stars and basket stars • sea urchins and sand dollars • sea cucumbers

Front (Question)

some synapomorphies of Echinoderms

Back (Answer)

• radial symmetry in adults • exoskeleton of calcium carbonate • water vascular systems

Front (Question)

what major lineages are included in deuterostomes?

Back (Answer)

1 Echinoderm 2 hemichordates 3. xenoturbella 4. chordate

Front (Question)

what do chordate a include?

Back (Answer)

vertebrates

Front (Question)

Echinoderms

Back (Answer)

• exclusively marine • bilaterians • have bilaterally symmetric larvae 4 pentaradial symmetry • endoskeleton • water vascular system

Front (Question)

at some point in their life all chordate a have:

Back (Answer)

• pharyngeal gill slits • dorsal hollow nerve cord • notochord • muscular post anal tail

Front (Question)

invertebrates within the chordate group

Back (Answer)

cephalochordates Urochordates

#10

Front (Question)

synaphorphies of vertebrates

Back (Answer)

vertebrae cranium

#11

Front (Question)

forebrain

Back (Answer)

smell

#12

Front (Question)

midbrain

Back (Answer)

vision

#13

Front (Question)

hindbrain

Back (Answer)

hearing

#14

Front (Question)

grade

Back (Answer)

a sequence of lineages that are paraphyletic

#15

Front (Question)

are reptiles more closely related to mammals or amphibians?

Back (Answer)

mammals

#16

Front (Question)

the precursor to jaws

Back (Answer)

gill arches

#17

Front (Question)

Ray fined fishes have a specialized second jaw called a

Back (Answer)

pharyngeal jaw

#18

Front (Question)

part of an egg albumen

Back (Answer)

provides water and mechanical support

#19

Front (Question)

part of an egg chorion

Back (Answer)

allows gas exchange

#20

Front (Question)

part of an egg: yolk sac

Back (Answer)

contains nutrients

#21

Front (Question)

part of an egg: amnion

Back (Answer)

contains embryo

#22

Front (Question)

part of an egg: allantois

Back (Answer)

contains waste

#23

Front (Question)

organ than is rich in blood vessels and moves oxygen and nutrients to the offspring removes waste and co2

Back (Answer)

placenta

#24

Front (Question)

endotherms

Back (Answer)

maintain a high body temperature by producing heat in their tissue