Metazoans Flashcards
metazoans
Monophyletic why
flagellated cells, protein similarities, choanoflagellate affinity, cell junctions, aspects of mitotic spindle
Metazoans are what
everything but protozoa and sponges
Phylum porifera are commonly known as what
sponges
Porifera what type of symmetry
radial or asymmetrical
Porifera what 3 cell types
pinacocytes, choanocytes, mesenchyme cells
Porifera supporting structures
Spicules
Role of porifera
source of food, filtration
Porifera monoecious or diecious
monoecious hermaphrodite, asynchronous (1 sex at time)
Porifera what type of larvae
Planktonic
Porifera asexual reproductioni
gemmules (overwintering structures filled with amoeboid cells)
Choanoflagellates vs choanocytes
sister group to metazoans probably pcq collar structure, p53 gene and membrane proteins