Classification Characteristics by Kira Haas https://padlet.com/khaas2018/5d4cv78l3yio en-us 2017-01-09 18:22:53 UTC 2025-09-25 16:06:24 UTC hello@padlet.com Kingdom Protista khaas2018 https://padlet.com/khaas2018/5d4cv78l3yio/wish/146075514
General characteristics: They are mostly unicellular, but some, like algae, are multicellular. Kelp, or 'seaweed' is a large multicellular protist that provides food, shelter and oxygen for numerous underwater ecosystems.

Three examples: Chromalveolata, Excavata, Amoeba proteus

Classes (classification) with marine examples: eukaryotic organisms that cannot be classified as a plant, animal, or fungus. 
]]> 2017-01-09 18:25:38 UTC https://padlet.com/khaas2018/5d4cv78l3yio/wish/146075514 Phylum Poriferans khaas2018 https://padlet.com/khaas2018/5d4cv78l3yio/wish/146075753 General characteristics: They are multicellular organisms which are sedentary in nature. Most of them are marine while a few are freshwater forms.

Three examples: sponge, demosponge, hexactinellid

Classes (classification) with marine examples: Parazoa
]]> 2017-01-09 18:26:15 UTC https://padlet.com/khaas2018/5d4cv78l3yio/wish/146075753 Phylum Arthropoda khaas2018 https://padlet.com/khaas2018/5d4cv78l3yio/wish/146075816
General characteristics: They possess a chitinous exoskeleton that must be shed during growth.

Three examples: insect, arachnid, crustacean

Classes (classification) with marine examples: Ecdysozoa
]]> 2017-01-09 18:26:24 UTC https://padlet.com/khaas2018/5d4cv78l3yio/wish/146075816 Phylum Mollusca khaas2018 https://padlet.com/khaas2018/5d4cv78l3yio/wish/146075931
General characteristics: Unsegmented soft body with bilateral symmetry. Presence of an internal or external shell.

Three examples: squid, octopus, cuttlefish

Classes (classification) with marine examples: Lophotrochozoa
]]> 2017-01-09 18:26:45 UTC https://padlet.com/khaas2018/5d4cv78l3yio/wish/146075931 Phylum Echinodermata khaas2018 https://padlet.com/khaas2018/5d4cv78l3yio/wish/146076017
General characteristics: Echinoderms are characterized by radial symmetry, several arms radiating from a central body. The body actually consists of five equal segments, each containing a duplicate set of various internal organs.

Three examples: starfish, sea urchin, sea cucumber 

Classes (classification) with marine examples: Deuterostome
]]> 2017-01-09 18:27:00 UTC https://padlet.com/khaas2018/5d4cv78l3yio/wish/146076017 Phylum Platyhelminthes khaas2018 https://padlet.com/khaas2018/5d4cv78l3yio/wish/146076386
General characteristics: mostly parasitic, ladder-type nervous system, have underground cephalization. 

Three examples: tapeworms, flukes, turbellaria

Classes (classification) with marine examples: Platyzoa
]]> 2017-01-09 18:27:57 UTC https://padlet.com/khaas2018/5d4cv78l3yio/wish/146076386 Phylum Nematoda khaas2018 https://padlet.com/khaas2018/5d4cv78l3yio/wish/146079134
General characteristics: Simple Digestive System, Primitive Body Cavity.

Three examples: Enoplea, Ascaridida, Secernentea

Classes (classification) with marine examples: Ecdysozoa
]]> 2017-01-09 18:35:22 UTC https://padlet.com/khaas2018/5d4cv78l3yio/wish/146079134 Phylum Annelida khaas2018 https://padlet.com/khaas2018/5d4cv78l3yio/wish/146079337
General characteristics: Symmetry and Size, Body wall, Nervous system

Three examples: Polychaete, Earthworm, Oligochaeta

Classes (classification) with marine examples: Lophotrochozoa
]]> 2017-01-09 18:35:51 UTC https://padlet.com/khaas2018/5d4cv78l3yio/wish/146079337 Phylum Cnidaria khaas2018 https://padlet.com/khaas2018/5d4cv78l3yio/wish/146079485
General characteristics: body is diploblastic, with two cell layers of the body wall separated by mesoglea, and shows radial symmetry.

Three examples: Jellyfish, Anthozoa, Sea anemone

Classes (classification) with marine examples: Radiata
]]> 2017-01-09 18:36:15 UTC https://padlet.com/khaas2018/5d4cv78l3yio/wish/146079485