Podcast
Questions and Answers
What is the main distinguishing feature of the choanoflagellate ancestral cadherinlike protein?
What is the main distinguishing feature of the choanoflagellate ancestral cadherinlike protein?
- Epithelia domain
- Collagen domain
- Nerves domain
- CCD domain (correct)
Which groups of animals, in addition to choanoflagellates, exhibit collar cells similar to those in animals?
Which groups of animals, in addition to choanoflagellates, exhibit collar cells similar to those in animals?
- Cnidarians, flatworms, and echinoderms (correct)
- Annelids, mollusks, and arthropods
- Ctenophores, sponges, and cnidarians
- Platyhelminthes, nematodes, and poriferans
What is the main function of cadherins in animal cells?
What is the main function of cadherins in animal cells?
- DNA sequencing
- Neurotransmission
- Protein synthesis
- Cell attachment (correct)
In animals, what is a germ layer?
In animals, what is a germ layer?
What is the main difference between diploblastic and triploblastic animals?
What is the main difference between diploblastic and triploblastic animals?
What is the result of cleavage in most animals?
What is the result of cleavage in most animals?
What is the term for animals lacking a backbone?
What is the term for animals lacking a backbone?
Which superphylum includes Arthropoda and Nematoda?
Which superphylum includes Arthropoda and Nematoda?
What is the characteristic shared by Metazoa, Eumetazoa, Bilateria, Deuterostomia, Lophotrochozoa, and Ecdysozoa?
What is the characteristic shared by Metazoa, Eumetazoa, Bilateria, Deuterostomia, Lophotrochozoa, and Ecdysozoa?
Which type of cleavage is characterized by spiral/determinate and radial/indeterminate patterns?
Which type of cleavage is characterized by spiral/determinate and radial/indeterminate patterns?
What is the main difference between diploblastic and triploblastic organisms?
What is the main difference between diploblastic and triploblastic organisms?
Which category does not belong to Porifera, Cnidaria, Nematoda, Platyhelminthes, Annelida, or Echinodermata?
Which category does not belong to Porifera, Cnidaria, Nematoda, Platyhelminthes, Annelida, or Echinodermata?
What is the main function of choanocytes in sponges?
What is the main function of choanocytes in sponges?
Which phylum lacks true tissues and organs?
Which phylum lacks true tissues and organs?
What is the main body plan variation seen in cnidarians?
What is the main body plan variation seen in cnidarians?
Which cell type in sponges plays a role in digestion and structure?
Which cell type in sponges plays a role in digestion and structure?
What is the primary method used by cnidarians to capture prey?
What is the primary method used by cnidarians to capture prey?
Which phylum among those discussed has members that are hermaphroditic?
Which phylum among those discussed has members that are hermaphroditic?
