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Marine Aquatics 2 > Unit 2: Invertebrate Consumers > Flashcards

Unit 2: Invertebrate Consumers Flashcards

1
Q

asymmetry

A

Asymmetry: No pattern or symmetry.

Sponges

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2
Q

Radial symmetry

A

Radial symmetry: circular and equal halves.

Starfish

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3
Q

Bilateral symmetry

A

Bilateral symmetry: a vertical plane running from head to tail; animals, either aquatic or terrestrial, that have a high level of mobility.
crawfish

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4
Q

Acoelomate

A

no coelom

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5
Q

Pseudocoelomate

A

a false coelom

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6
Q

Eucoelomate

A

true coelom

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7
Q

The body plan which exhibits a false coelom

A

Pseudocoelomate

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8
Q

A form of symmetry wherein identical parts are arranged in a circular fashion around a central axis

A

Radial Symmetry

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9
Q

Describes Platyhelminthes

A

parasitive worms that live, feed off living hosts and are only found in areas with poor sanitation

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10
Q

Possible routes of transmission for parasatic worms

A
  • Using contaminated water irrigation.
  • Sexual activity
  • Walking barefoot
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11
Q

Classe of Platyhelminthes almost always uses a mollusk as its primary host

A

trematodes

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12
Q

Structure of Rotifers is responsible for moving food toward the mouth by generating a current

A

corona

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13
Q

What isn’t a characteristic of all members of the Phylum Mollusca

A

A calcium carbonate shell

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14
Q

A mantle and mantle cavity are present in

A

Phylum Echinodermata

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15
Q

Structure in Annelids characterizes them as the most advanced worms

A

The coelom

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16
Q

characteristic connects the Nematodes tot he Arthropods

A

hard exoskeleton

17
Q

what is true about Arthropod?

A

All arthropods have tagma

18
Q

what distinguishes the Subphylum Crustacea from the other Subphyla of Arthropods

A

Crustaceans have biramous appendages

19
Q

What is an important difference between a millipede and a centipede?

A

Millipedes have more legs per segment than centipedes

20
Q

Protozoa

A

unicellular eukaryotic organisms, plant-like behavior

21
Q

Foraminiferans

A

Unicellular protozoa that have porous shells

22
Q

Radiolarians

A

Glassy silica exterior

23
Q

Amoebas

A

Can be human parasites and can cause dysentery

24
Q

Paramecia

A

Aquatic protists; due to its abundance, they are often subjects in lab and classrooms

25
Q

Body plan

A

asymmetry, radial, bilateral symmetry, acoelomate, pseudocoelomate, eucoelomate

26
Q

Morphology

A

branch of biology that deals with the form of living organisms

27
Q

test

A

the external calciferous shell of a foram.

28
Q

Phagocytosis

A

A cell incorporates a particle by extending pseudopodia and drawing the particle into a vacuole of its cytoplasm

Marine Aquatics 2 (3 decks)

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