Phyla Ciliophora , Microsporidia, And Myxozoa

Question 1

Phylum ciliophosa characteristics

Answer 1

1. Cilia or compound ciliary organelles present in at least 1 stage of life cycle
2. Two types of nuclei
3. Contractile vacuole present
4. Asexual and sexual reproduction

Question 2

Phylum ciliophosa characteristics pt.2

Answer 2

Balantidium infect several arthropods, fish, amphibians and animals
A. Balantidium coli (from pigs) is lg protozoans parasites of humans
B. Troph and cyst occur

Question 3

Phylum Ciliophera
Ichthyophthirius Multifillis

Answer 3

Causes ick in fish, infects epidermis, Cornea and gill filaments
A. Troph form pustules (cysts) which undergo division to form tomites
B. Tomites embed in skin develop into troph

Question 4

Phylum Microsporidia pt. 1

Answer 4

1. Intracellular parasites of invertebrates and vertebrates
2. Unicellular spores with several layers exosphere
3. Polar filament tubes expelled from spore hosts intestine
4. 1200 species

Question 5

Phylum Microsporidia pt. 2

Answer 5

5. Nosema infect many insects include honey bees and silkworms
6. Microsporidians are being studied as possible biological control agents
7. Some species parasitize economically important fish species , even causing epizootics

Question 6

Phylum Microsporidia pt. 3

Answer 6

8. Some species found as immunocompromised patients
9. Can infect humans are common in environment are carried by birds

Question 7

Myxozoa (Phylum Cnidaria ) characteristics

Answer 7

1. Invertebrates and vertebrates
2. Multicellular spores with diverse structures
3. Sexual reproduction occurs invertebrate definitive hosts and asexual reproduction occurs in the vertebrates

Question 8

Myxozoa (Phylum Cnidaria ) characteristics pt.2

Answer 8

4.1300 species
5. Myxobolus infect several important trout and salmon
A. Spores develop and form cyst
B. Cyst develop into triactinomyxon spores which infect the fish