Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
defining feature: |
cnidocysts |
|
|
cnidocysts contain: |
nematocysts |
|
|
symmetry: |
radial |
|
|
body types: |
polyp and medusa |
|
|
germ layers? |
two, diploblastic |
|
|
ECM jelly layer between the body layers.... |
mesoglea |
|
|
digestion is: |
incomplete |
|
|
diggestion happens TWO ways: |
intracellular and in the gut |
|
|
sense organs include: |
ocelli and statocysys, nerve net |
|
|
reproduction type: |
asexual (budding) and sexual (gemetes, planular larvae) |
|
|
excretory and respiratory systems are: |
ABSENT |
|
|
acoelomate, pseudocoelomate or coelomate? |
TRICK. NONE. only two tissue layers! |
|
|
do they have a skeleton? |
hydrostatic only |
|
|
digestion in.... |
gastrovascular cavity, |
|
|
Classes of cnidarian: (5) |
hydrozoa, cubozoa, staurozoa, anthozoa, scyphozoa |
|
|
The two layers are: |
gastrodermis and epidermis |
|
|
what makes up a cnidocyst: |
cnidae capsule, thread, operculum |
|
|
Class hydrozoa features: |
some freshwater, velum, medusa |
|
|
Class scyphozoa features: |
four oral arms, no velum, has ocelli and rhopalium, reduced polyp, strobilation |
|
|
Class cubozoa features: |
reduced polyp, square shape, rhopalium, velum, medusa |
|
|
Class staurozoa features: |
ATTACHED medusa, stalked polyp. |
|
|
Class Anthozoa features: |
corals, sea pens, symmetry of 6, NO medusa. |
|
|
strobilation is: |
lateral budding of medusa! |
|
|
cnidaria respiration: |
cellular |
|
|
cnidaria reproduction: |
gonads in bell |
|
|
cnidarian nervous: |
nerve net around bell ring |
