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Zoology > Invertebrates > Flashcards

Invertebrates Flashcards

1
Q

What is the sponges cell level?

A

Multicellular

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2
Q

What is the sponge environment?

A

Aquatic, mostly marine

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3
Q

How does the sponge feed?

A

Depends on water currents for food/oxygen

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4
Q

Do sponges have a nervous system?

A

No

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5
Q

What are sponges like as adults?

A

Sessile (can’t move)

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6
Q

What is the cnidarian symmetry?

A

Radial

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7
Q

What is the cnidarian environment?

A

Aquatic, mostly marine

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8
Q

What are phylum Cnidaria body forms?

A 
Polyp= sessile 
medusa= free swimming
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9
Q

Does phylum Cnidaria have an excretory or respiratory system?

A

No

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10
Q

How does phylum Cnidaria reproduce?

A

Asexual and monoecious

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11
Q

How does phylum porifera reproduce?

A

Asexually and monoecious

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12
Q

What is the symmetry of phylum Porifera?

A

Asymmetrical and in some cases radial

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13
Q

What are nematocysts?

A

Stinging cells

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14
Q

What are the four classes of phylum Platyhelminthes?

A

Turbelarria
Tremeatoda
Cestoda
Monogenea

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15
Q

What is turbelarria?

A

Planarians- free living

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16
Q

What is trematoda?

A

Flukes- all parasitic

17
Q

What is cestoda?

A

Tapeworms- intestine parasites

18
Q

What is monogenea?

A

Parasitic to fish

19
Q

What are examples of phylum nematoda?

A 
Hook worms 
Trichinosis
Ascaris
Heartworms 
Caenorhabditis elegans
20
Q

What are examples of annelids?

A

Earthworms
Leeches
Polychaetes marines

21
Q

What type of symmetry does phylum echinodermata have?

A

Radial symmetry

22
Q

Does phylum echinodermata have a brain?

A

No

23
Q

What are the basic characteristics of phylum echinodermata?

A

Carnivores and scavengers
Marine
Motile
Water vascular system

24
Q

How does phylum echinodermata reproduce?

A

Sexual (external fertilization)

25
Q

What is phylum echinodermata?

A

Starfish

26
Q

What are examples of phylum Mollusca?

A 
Clams
Oysters
Snails/slugs
Octopus
Squid
Nautilus
27
Q

What are examples of phylum arthropoda?

A 
Horseshoe crabs 
Sea spiders
Spiders
Scorpions 
Ticks
Mites
Centipedes
Millipedes
Butterflies
Bees
Beatles
Flies
Crayfish 
Lobsters
28
Q

What are the phases in incomplete metamorphosis?

A

Eggs, nymph, adult

29
Q

What are the phases in complete metamorphosis?

A

Eggs, larva, pupa, adult

Zoology (5 decks)

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