List the Ocean Animal Phylums - IN ORDER of their evolutionary complexity (in other words, simplest...

List the Ocean Animal Phylums - IN ORDER of their evolutionary complexity (in other words, simplest to most complex)

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Expert Solution

Kingdom Animalia

Subkingdom parazoa

1.Phylum Porifera 3 Classes Calcispongiae (calcareous sponges), Hyalospongiae( glass sponges), Demospongiae (bath sponges)

Subkingdom Metazoa

Phylum Cnidaria (3 Classes- Hydrozoa, Scyphozoa, Anthozoa)

Phylum Platyhelminthes (3 Classes-Turbellaria, Cestoda, Trematoda)

Phylum Nematods (eg-round worms)

Phylum Mollusca (5 Classes- Polyplacophora (eg.chitons), Scaphopoda (eg-tusk shells), Gastropoda (eg- snails), Bivalvia (eg- mussels, oysters), Cephalopoda (eg-octopuses, squids)

Phylum Annelida (Class-Polychaeta) (eg- tubeworms)

Phylum Arthropoda (Class Merostomata eg horseshoe crabs, Class Pycnogonida eg-sea spiders, Class Crustacea eg-crabs and lobsters, Class Insecta eg-water striders)

Phylum Echinodermata (class Crinoidea eg; sea lilies, Class Echinoidea eg:sea urchins, Class Asteroidea eg;seastars, Class Ophiuroidea eg. brittle stars Class Holothuroidea eg;sea cucumbers

Phylum Chordata

Subphylum. Urochordata eg;tunicates

Subphylum. Cephalochordata eg: lancelets

Subphylum. Vertebrata

Super class Pisces (Class Agnatha jawless fishes, Class Chondrichthyes cartilaginous fishes, Class Osteichthyes bony fishes)

Super Class Tetrapoda, Class Reptilia (order Chelonia eg- sea turtles ; order Squamata, eg- sea snakes ; order Crocodilia eg-marine crocodiles)

Class Aves

Order Sphenisciformes eg- penguins, Order Procellariiformes eg-tubenoses (albatrosses), Order Pelicaniformes eg-pelicans, Order Charadriiformes eg- gulls)

Class Mammalia

Order Cetacea(eg- toothed whales, baleen whales), Order Carnivora (eg-seals, sea lions, sea otters)

gladiator answered 1 year ago

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