Invertebrates Flashcards

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1
Q

Porifera

A

Sponges

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2
Q

Unique traits about Porifera

A
  • They’re Asymmetrical(Lack Body Symmetry)
  • Have no true tissues
  • Known as “Holly Animals”-Lots of holes
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3
Q

Cnidaria

A

Jellyfish, Corals, and Sea Anemones

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4
Q

Unique traits about Cnidaria

A
  • Have True Tissues
  • Radical Symmetry
  • Cnidocytes(Stinging Cells)
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5
Q

Platyhelminthes

A

Flatworms

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6
Q

Unique traits about Platyhelminthe

A
  • Triploblastic
  • Bilateral Symmetry
  • Acoelmates(No fluid between cell wall and tissues)
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7
Q

Nematoda

A

Roundworms

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8
Q

Unique traits about Nematoda

A
  • Bilateral Symmetry
  • Unsegmented
  • False Body Cavity
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9
Q

Mollusca

A

Squid, Octopus, and Snails

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10
Q

Unique traits about Mollusca

A
  • Have both open and closed circulatory system(fluid being transferred through the blood)
  • Snails: open
  • Squid: closed
  • Muscular organ called Foot
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11
Q

Annelida

A

Earthworms and Leaches

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12
Q

Unique traits about Annelida

A
  • Closed circulatory system(except leaches)
  • True segmentation
  • Bilateral Symmetry
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13
Q

Arthropoda

A

Insects

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14
Q

Unique traits about Arthropoda

A
  • Open circulatory system
  • Segmented Bodies
  • Capability to fly(first animal to appear on land)
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15
Q

Echinodermata

A

Starfish, Sea Urchins, and Sea Cucumbers

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16
Q

Unique traits about Echinodermata

A
  • Pentaradial Symmetric Adults
  • Bilaterally Symmetric Offspring
  • Water Vascular System