Cnidarians
1. What are some examples of
cnidarians? In which
environments can these
animals be found?
2. What are the two main
morphological patterns of
cnidarians? Concerning
locomotion how do these
forms differentiate from each
other?
3. Concerning tissue
complexity how different are
cnidarians from poriferans?
4. Which are the germ layers
present in cnidarians? Which
tissues of the animaldo they
originate?
5. Why is the digestive system
of these animals called
incomplete?
6. What is the type of
digestion that occurs in
cnidarians?
7. What are cnidocytes? What
is the name of the capsule
inside the cnidocyte? What are
the biological functions of this
structure?
8. How is the nervous tissue
distributed in cnidarians?
9. What are the types of
reproduction presented by
cnidarians?
10. What is the type of
asexual reproduction that
occurs in hydras?
11. What is metagenesis?
What are the other names of
this process?
12. In the metagenesis of
Aurelia and Obelia what is the
form that produces gametes?
What is the form that
reproduces asexually?
13. What is the name of the
larva of corals and sea
anemones? What is the
biological importance of that
larval stage?
14. What are the main classes
into which the phylum is
divided? What are some
examples of each and in which
form (polyp or medusae) are
they found?
15. What does radial
symmetry means? What is the
type of symmetry found in
chordates? Which are other
phyla of the animal kingdom
that present species with
radial symmetry?
16. What are corals?
17.Cnidarian identity card.
How are they characterized
according to examples of
representing beings, basic
morphology, type of
symmetry, germ layers and
coelom, digestive system,
respiratory system, circulatory
system, excretory system,
nervous system and types of
reproduction?
1. What are the best known
representatives of the
platyhelminth phylum?