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Biology 11 > worms,sponge, jelly test > Flashcards

worms,sponge, jelly test Flashcards

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1
Q

what are different kinds of feeders in animals

A

filter feeders, carnivores, omnivores, herbivores,parasitic and detritus feeders

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2
Q

what is a detritus feeder

A

feeds on decaying organic matter

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3
Q

what is a filter feeder

A

use cilia to catch particles from water

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4
Q

what is sponge scientific name

A

phylum porifera

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5
Q

what are the tree classes of sponges

A

calcarea , demosponginae
and hecactinellida
calcarea, horn sponges(bath) glass sponges

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6
Q

what is calcarea sponges

A

they have spicules and skeleton structures

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7
Q

what is demosponginae

A

horn sponges or bath sponges

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8
Q

what is hexactinellida

A

glass sponges

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9
Q

characteristics of sponges

A
  • are asymmetrical
  • can repair and restore themselves
  • no mouth, organs, systems, anus, nerve cells and digestive tract bc colonial
  • interior is hallow
  • interior spaces are lined with collet cells
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10
Q

what is a sponge life cycle

A

1 sperm swim to egg and merge
2 larva is formed and develop in parent
3 mature larva swim away to grow so no competition for nutrients

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11
Q

what is jellyfish scientific name

A

phylum cnidaria

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12
Q

what is in phylum cnidaria

A

jellyfish
corals
anemones
hydroids

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13
Q

what is cnidaria

A

soft bodies animals with stinging tentacles arranged in circles around mouth

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14
Q

what are the 3 body layers of cindaria

A

ectoderm, mesoglea, gastrodemis

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15
Q

what are the three classes of jellies

A

scyphazoa
staurozoa
cubozoa

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16
Q

what lifecycle are jellyfish

A

mainly medusa and polyp stage is very reduced

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17
Q

what is example of hydrozoas

A

they are marine (hydra and portuguese man of war

18
Q

what life cycle do hydrozoa have

A

some have both medusa and polyp

19
Q

what life cycle is corals and anemones

A

entirely polyp

20
Q

what are scyhozoa jellies

A

moon jellies, harmless and very common or red jelly, painful and less common

21
Q

what are staurozoa jellies

A

very small
attached to seaweed and rocks
found in cold water in north and south hemisphere

22
Q

what are cubozoan jellies

A

most dangerous
painful sting
(the sea wasp)

23
Q

what is the two stages of cnidaria life cycle

A

polyps and medusa

24
Q

describe polyp

A
  • tubular body with mouth at one end and end surrounded with tentacles
  • may live singly or in colonies
25
Q

describe medusa

A

-“jellyfish”form
-free swimming and are the sexually mature form
-bell shaped or umbrella shaped body
radical symmetry

26
Q

how does the reproduction of cnidraia work

A

can happen asexual: budding (polyps)
or sexual: gametes (in all medusa and some polyps)

young hatch in mothers stomach then she spits them out

27
Q

what is scientific name for roundworms

A

phylum nematodo

28
Q

characteristics of round worms

A
  • unsegmented
  • pseudooccelomates
  • colourless
  • have special glands to attach to substances
  • reproduce sexually
29
Q

structure of nematodo

A
  • anus and mouth
  • cylindrical body tapered both ends
  • tube within a tube body plan
30
Q

scientific name for flat worms

A

phylum platyhelminthes

31
Q

characteristics of flatworms

A
  • flat body
  • bilateral body plan
  • have a head (cephalization)
  • incomplete digestive system (no anus)
32
Q

how to flatworms reproduce

A

sexual: hermaphroditic
asexual: binary fission

33
Q

what is advantage of being flat for flatworms

A

faster absorption and release of waste

34
Q

what are the 3 classes of platyhemnthe

A

turbellana- planarians
trematoda-flukes
cestoda-tapeworms

35
Q

what are the 3 body layers of flatworms

A

endoderm , mesoderm and ectoderm

36
Q

platarains -turbellana

A

colorful
carnivores
asexual or sexual reproduction

37
Q

flukes-trematoda

A 
tough body covering 
two suckers 
most are internal parasites 
life cycle need multiple hosts
hermaphrodites
38
Q

tapeworms- cestoda

A

lack a digestive system
have sucker and hooks
neck produces segments called proglottids

39
Q

scientific name for segmented worms

A

annelid

40
Q

characteristics of segmented worms

A

have coelum

41
Q

what is it called when an animal has t and m part

A

hermaphrodite

Biology 11 (6 decks)

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