Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

A19VB Marine biodiversity > Cnideria > Flashcards

Cnideria Flashcards

1
Q

what are some characteristics of phylum cnideria

A

mostly marine, few freshwater species
cell walls differentiated to form tissues
two layer body wall with mesoglea
gastroderm and epiderm
single body cavity, coelenteron
mouth surrounded by tentacles
body types polyp and medusea
possesses nematocysts
larval form is planula
non central nervous system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are some cell types in cniderian body structure

A

nutritive muscle cells
enzymatic gland cell
nerve cell
sensory cell
epitheliomuscle cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are some components of cnidoblasts

A

cnidocil
nematocyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are the classes of cnideria

A

hydrozoa
scyphozoa
anthozoa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the orders of class hydrozoa

A

trachylina
hydroida
actinulida
siphonophora
hydrocorallina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are some features and an example of the order trachylina

A

no polypoid stage
aglaura
planula
actinula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what are some features and an example of the order hydroida

A

well developed polypoid stage
vast majority colonial with external skeleton
obelia
tubularia
polymorphic polyps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the life cycle of obelia

A

sperm + ovum
zygote
blastula
planula
polyp
medusae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is a thecate and athecate hydroid and what are some examples

A

athecate - skeletal covering does not surround hydranth clava
thecate - covering surrounds hydroid
obelia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what are some types of zooids

A

gonozooid
dactylozooid
gastrozooid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is velella

A

by the wind sailor, polymorphic polyps attached to float and sail

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are some features and an example of the order actinulida

A

tiny solitary polyps
can live on sand grains
otohydra
halammohydra
psammohydra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are some features and an example of the order Siphonophora

A

colonial, pelagic, includes polypoid and medusoid
physalia physalis (man of war)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are some features and an example of the order hydrocorallina

A

polypoid and colonial with CaCO3 skeleton
milleporina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what are the orders of class scyphozoa

A

stauromedusae
cubomedusae
coronatae
semaeostomae
rhizostomae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what are some features and an example of the order stauromedusae

A

sessile, medusae attached by stalk
haliclystus

17
Q

what is an example of the order cubomedusae

A

box jellyfish
carybdea

18
Q

what are some features and an example of the order coronatae

A

bell of medusa constricted by groove
many deep sea jellyfish
periphylla

19
Q

what are some features and an example of the order semaeostomae

A

bowl or saucer shaped medusa with scalloped margins
chrysaora
aurelia(moon jellyfish)

20
Q

what are the stages of the reproductive cycle of aurelia

A

planula larva
scyphistoma
strobilia
ephyra

21
Q

what are some features of the rhopalium of auralia

A

pigment photoreceptors
statocysts

22
Q

what are some features and an example of the order rhizostomae

A

bell of medusa lacks tentacles
oral arms folded and branched
rhizostoma
casseopeia - photosynthetic algae

23
Q

what are the two subclasses of octocorallia

A

octocorallia - polyps with 8 tentacles
zoantharia - polyps with more than 8 tentacles

24
Q

what are the orders of subclass octocorallia

A

stolonifera
telestacae
alcyonacae
coenothecilia
gorgonacae
pennatulacea

25
Q

what are some features and an example of the order alcyonacea

A

soft corals
rubbery coenenchymal mass
skeleton of calcerous spicules
alcyonium

26
Q

what are some features and an example of the order gorgonacea

A

upright plantlike growth
skeleton of horny organic material
swiftia

27
Q

what are some features and an example of the order pennatulacea

A

sea pens
fleshy flattened or elongated body
skeleton of calcerous spicules
pennatula

28
Q

what are the orders of subclass zoantharia

A

zoanthodea
actinaria
scleractinia
corallimorpharia
ceriantharia
antipatharia

29
Q

what are some features and an example of the order zoanthidea

A

small anemones
single siphonogylph
no skeleton

30
Q

what are some features and an example of the order actinaria

A

sea anenomes
no skeleton
actinia

31
Q

what are some features and an example of the order scleractinia

A

stony corals
external calcareous skeleton
caryophylia - one of few uk corals

32
Q

what are some features and an example of the order corallimorpharia

A

radially arranged tentacles
similar to true corals
lacks skeleton
corynactis

33
Q

what are some features and an example of the order ceriantharia

A

burrowing anenome
lives in sediment
pachycerianthus

A19VB Marine biodiversity (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions