Animal Kingdom Flashcards

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1
Q

Bilateral Symmetry

A

two equal sides

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2
Q

Radial Symmetry

A

Infinite equal sides, no matter where you cut

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3
Q

Asymmetry

A
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4
Q

Anterior

Dorsal

Ventral

Posterior

A
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5
Q

Porifera

A
  1. filter water to collect food
  2. asymmetrical
  3. simplest animals
  4. Sponges
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6
Q

Cnidarians

A
  1. All cnidarians have stinging cells
  2. radial symmetry
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7
Q

Arthropods

A
  1. Insects (beetles, etc.), crustaceans, spiders, centipedes/milipedes
  2. bilateral symmetry
  3. most animals are arthropods
  4. Must molt to grow bigger
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8
Q

Nematode

A
  1. roundworms
  2. All are parasitic (feed/hurt host)
  3. bilateral symmertry
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9
Q

Flatworms

A
  1. Some are parasitic
  2. Bilateral symmetry
  3. Tapeworms are human parasites
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10
Q

Annelids

A
  1. Earthworms
  2. Segmented
  3. Evolved after the round/flatworms
  4. More complex
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11
Q

Mollusks

A
  1. Most make shells for protection
  2. Bilateral Symmetry
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12
Q

Echinoderms

A
  1. Spiny skin
  2. Radial symmetry
  3. Tube feet for movement and respiration
  4. Water vascular (tube) system, how the tube feet move
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13
Q

Chordata

A
  1. Mammals
  2. Birds
  3. Reptiles
  4. Fish
  5. Amphibians
  6. All have a notochord - flexible rod along back
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14
Q

Cephalization

A
  1. Cepha=head
  2. Cephalization=forming of a head
  3. Increases chances of survival because all senses are located in one place
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