Hydrozoa, Scyphozoa, and Anthozoa

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What does "Hydrozoa" most nearly translate to?

"H2O animal"

What type of cnidocytes do Anthozoa have?

gastrodermal cnidocytes

Do Scyphozoa have a medusa stage?

yes

How much of the Anthozoa is a polyp?

entirely polyp

What type of cnidocytes do Hydrozoa have?

epidermal cnidocytes

What type of gonads do Hydrozoa have?

epidermal gonads

What type of gonads do Anthozoa have?

gastrodermal gonads

What is the column in reference to Anthozoa?

main body section

What is the Anthozoa throat lined with?

siphomoglyphs

What is the basal disc/pedal disc of the Anthozoa?

the base of the polyp

What kind of organization are Hydrozoa?

colonial organization

What does "Anthozoa" most nearly translate to?

"flower animal"

What does "Scyphozoa" most nearly translate to?

"cup animal"

Is the mesoglea of the Hydrozoa cellular or acellular?

acellular mesoglea

Is the mesoglea of the Anthozoa cellular or acellular?

cellular mesoglea

Most hydrozoa have a theca made of ______.

chitin (sugar and protein)

Most Hydrozoa have a _____ polyp.

dominant

What type of cnidocytes do Anthozoa have?

epidermal and gastrodermal cnidocytes

What are some examples of Hydrozoa?

hydra, obelia, fire coral/millepora, man-o-war/physalia, blue button, velella, gonionemus

Where are the cnidocytes found in a Scyphozoa?

in a layer of gastrodermis

Scyphozoa have a dominant _____.

medusa

Do Anthozoa have a medusa stage?

no

Define the shapes of most Hydrozoa.

polymorphic (many shapes)

What are some examples of Anthozoa?

sea anemones, corals

What is the Scyphozoa GVC lined with?

the gastrodermal gonads

Why are the pneumatocysts longer for a Scyphozoa?

they have to go through the mesoglea and the epiderm

What do most Hydrozoa look like?

tiny plants

What are some examples of Scyphozoa?

true jellyfish, cannon ball, moon jelly, lion's mane, cassiopeia, box jelly


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