Do members of the phylum Platyhelminthes have a circulatory system? Explain the circulatory system of cephalopods. Do flatworms have embryonic development? Do invertebrates have exoskeletons? Does an amoeba have
Do crabs have hearts? Crabs don't have a heart. They have an open circulatory system . ... It is called an open circulatory system because the blood doesn't flow in a closed loop like it does in a human's closed circulatory system – which has a heart, arteries and veins to return...
MOLLUSKS Manyuseasoftmuscular“foot”formovement Feedbyscraping,tearing,stabbingandcuttingtheirfood Opencirculatorysystem(exceptcephalopods) Somewithcomplex,extremelyacuteandsensitiveeyes Namemeans“softbody” Visceralmass–holdsmostinternalorgans Haveasoftmantlethatproducesahardshell Cephalopods Havefootattachedtotheir...
CirculatoryCirculatory--pumpingheart,vesselsandsinuses;opensysteminallbutcephalopods;pumpingheart,vesselsandsinuses;opensysteminallbutcephalopods; ––HemocyaninHemocyanin--oxygencombiningpigmentor“blood”thatcontainscopperandisbluishoxygencombiningpigmentor“blood”thatcontainscopperandisbluishwhenwhen ...