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Phylum Cnidaria

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Total cards: 16•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (16)

#1
Front (Question)

Habitat

Back (Answer)

Most marine Some freshwater

#2
Front (Question)

Symmetry

Back (Answer)

Radial Diploblastic

#3
Front (Question)

Dipoblatic

Back (Answer)

Endoderm- gastrodermis Ectoderm- epidermis

#4
Front (Question)

3 things Cnidarians don’t have

Back (Answer)

Organ system Tissues Circulatory system

#5
Front (Question)

Nutrition

Back (Answer)

Diffusion for oxygen and food Incomplete digestive system

#6
Front (Question)

One opening with water circulation for digestion

Back (Answer)

Gastrovascular cavity

#7
Front (Question)

Cnidocytes

Back (Answer)

Singing cells in all cnidarians Releases neurotoxin

#8
Front (Question)

Dimorphic body plan

Back (Answer)

Mesogela Polyps (sessile): corals and anemones Medusa (motile): true and box jellies

#9
Front (Question)

Colonia

Back (Answer)

Catrozooid- capturing food Gonozooid- reproduction

#10
Front (Question)

Reproduction

Back (Answer)

Monoecious and dioecious Gonozooid

#11
Front (Question)

Senses

Back (Answer)

Nerve network

#12
Front (Question)

Jelly substance

Back (Answer)

Mesoglea

#13
Front (Question)

Class Anthozoa

Back (Answer)

“Flower” GVC -> septa Sea anemones and corals

#14
Front (Question)

Scyphozoa

Back (Answer)

“Cup” True jellies Medusa (no velum)

#15
Front (Question)

Cubozoa

Back (Answer)

“Box” Box jellies and pedalia

#16
Front (Question)

Hydrozoa

Back (Answer)

“Water” hydroids Siphonophores Medusa (with velum)