Lab 1 Flashcards
Name two phyla that are being studied in Lab 1.
Cnidaria and Porifera
Name three anatomical features that allow protozoans to move.
- flagellum
- cilia
- pseudopodia
What environmental condition is required for these features to function (anatomical features allowing protozoans to move)?
water or moist soil
What is the feeding process used by amoeba?
phagocytosis
Which of the following protozoans cannot reproduce sexually: paramecium, trypanosome and amoeba?
amoeba
What is the term for the fluid material found inside an amoeba?
endoplasm
Name two functions of choanocytes.
- facilitate water movement
2. trap food particles and oxygen
Give an example of a species from Lab 1 that is monoecious.
Hydrozoa
Give an example of a species from Lab 1 that is dioecious.
Scyphozoa
What are the two typical Cnidarian body forms?
polyp and medusa
Define spongocoel.
radial canal opening into the body cavity
What type of skeleton do hydrozoans and scyphozoans use to maintain their form?
hydrostatic skeleton
What is the role of contractile vacuoles?
maintain osmotic pressure
Which group of organisms in Lab 1 has a cellular-level of biological organization?
Porifera
What are the two types of structures that can act as support for a sponge?
spongins and spicules
