postprac4 Flashcards
To avoid desiccation at low tide, Galeolaria caespitosa use what structure to seal themselves into their tubes?
Select one:
a. Operculum
b. Valve
c. Radula
d. Proboscis
a. Operculum
The embryo of a particular animal has three germ layers. What else about this animal must be true?
Select one:
a. The adult will be radially symmetrical
b. It is a protostome
c. The adult will have obvious anterior and posterior ends
d. It belongs to Bilateria
d. It belongs to Bilateria
The coelom is
Select one:
a. the result of spiral cleavage
b. present in all animals
c. lined with mesoderm
d. the space inside the digestive tract
c. lined with mesoderm
he sea slug is most closely related to the Select one: a. Sea spider b. Crab c. Mussel d. Peanut worm
c. Mussel
The types of food available to animals living in and around worm tube clumps attached to a pier pilings include Select one: a. Algae b. All answers are correct c. Other animals d. Plankton
b. All answers are correct
Choose the correct terms to describe the three germ layers below
Outer layer of skin (epidermis), scales, feathers, and/or hair. In most animals, forms the nervous system
Answer 1
Middle layer, gives rise to the majority of the organs as well as the skeleton, the muscles, the circulatory system and the dermis of the skin
Answer 2
Inner layer, produces the lining of the digestive tract and the respiratory system
Answer 3
Answer 1
Ectoderm
Answer 2
Mesoderm
Answer 3
Endoderm
Endoderm develops into what part of an adult bilaterian? Select one: a. tissue surrounding the coelom b. lining of the digestive system c. skin d. muscle
b. lining of the digestive system
During a low tide cycle, the greatest risk for survival of marine animals living in and around worm tube clumps is Select one: a. Not being able to find food b. Getting eaten by predators c. Being washed off the rocks by waves d. Drying out
d. Drying out
Which of the following animals is a deuterostome? Select one: a. Bird b. Jellyfish c. Crab d. Snail
a. Bird
The distinguishing features of an annelid include Select one: a. Radial symmetry b. Chaete c. A radula d. Muscles and nerves
b. Chaete
Match the taxonomic meaning to the correct term
Shield-like plate covering the cephalothorax
Answer 1
Minute support structures
Answer 2
Paired lateral appendages
Answer 3
Fine hair-like structures
Answer 4
Answer 1
Carapace
Answer 2
Spicules
Answer 3
Parapodia
Answer 4
Cilia
The distinguishing features of a mollusc include:
Select one:
a. Operculum
b. Bilateral symmetry
c. Mantle
d. Chaetae
c. Mantle
The terms spongocoel, osculum and choanoflagellate relate to organisms in which Phylum?
Select one:
a. Echinodermata
b. Annelida
c. Mollusca
d. Porifera
d. Porifera
Animals with a radula are usually classified as Select one: a. Detritivores b. Carnivores c. Filter-feeders d. Herbivores
d. Herbivores
