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Animal Kingdom > Tripoblastic - Protosomes - Lophotrochozoa > Flashcards

Tripoblastic - Protosomes - Lophotrochozoa Flashcards

1
Q

‘Lophophore’

A

mobile, feeding structure for immobile animals

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2
Q

‘Trochophore’

A

larval form like a spinning top

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3
Q

‘Bryozoa’

A

Moss animals

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4
Q

Bryozoa are colonial animals with individuals called

A

Zooids

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5
Q

How do bryozoan increase contact with prey?

A

Oscillate and rotate their lophophore

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6
Q

How do bryozoan reproduce?

A

release sperm into water. Fertilisation is internal

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7
Q

‘Brachiopoda’

A

arm foot

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8
Q

What do brachiopoda feed with?

A

motile lophophore

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9
Q

How do most species of brachiopoda reproduce?

A

release gametes into water

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10
Q

‘Rotifera’

A

Wheel bearer

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11
Q

How do rotifera move?

A

beating cilia rather than muscular contraction

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12
Q

What sweeps particles into Rotifera mouth?

A

coronal cilia

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13
Q

Food is ground up in the gut of Rotifer by what?

A

Mastax structure

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14
Q

How was genetic diversity sustained before sex between rotifer?

A

Picking up gene fragments from the environment

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15
Q

‘Platyhelminthes’

A

flatworms

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16
Q

What is enabled by the flat worm being flat?

A

Gas exchange by diffusion

17
Q

What are the excretory organs of Platyhelminthes called?

A

Protonephridia

18
Q

(Class of Platyhelminthes) Small portions of turbellaria can…

A

regenerate into a completely new worm

19
Q

(Class of Platyhelminthes) Turbellaria have a pharynx that is eversible. What does this mean?

A

It can be extended by being turned inside out

20
Q

(Class of Platyhelminthes) ‘Trematoda’

A

Holes (ventral suckers for attachment)

21
Q

(Class of Platyhelminthes) Trematoda have complex life cycles specialised for what?

A

Parasitism in animal tissues (generate enormous number of offspring)

22
Q

The host in which the fluke matures is called

A

Definitive host

23
Q

(Class of Platyhelminthes) Cestoda

A

Tapeworms

24
Q

Tapeworms are specialised parasites of what?

A

vertebrates

25
Q

(Class of Platyhelminthes) Cestoda don’t have a gut. How do they obtain nutrients?

A

Absorbs nutrients through the skin (also helping them to camouflage)

26
Q

‘Mollis’

A

Soft

27
Q

Describe the basic bod plan of a mollusc

A

foot, mantle and visceral mass (not segmented)

28
Q

‘Radula’ is used for feeding in molluscs, meaning

A

Scraper

29
Q

(Class of mollusc) Polyplacophora

A

Many shells

30
Q

(Class of mollusc) Polyplacophora have how many overlapping shells?

A

8

31
Q

(Class of mollusc) What are gastropoda?

A

Stomach foot - snails, slugs

32
Q

What degree does the visceral mass twist through during development?

A

180

33
Q

(Class of mollusc) Gastropoda either swim or…

A

gallop

Animal Kingdom (8 decks)

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