Multiple Choice
Use the following information to answer the question below.
Trichoplax adhaerens (Tp) is the only living species in the phylum Placozoa. Individuals are about 1 mm wide and only 27 μm high, are irregularly shaped, and consist of a total of about 2000 cells, which are diploid (2n = 12) . There are four types of cells, none of which are nerve or muscle cells, and none of which have cell walls. They move using cilia, and any "edge" can lead. Tp feeds on marine microbes, mostly unicellular green algae, by crawling atop the algae and trapping it between its ventral surface and the substrate. Enzymes are then secreted onto the algae, and the resulting nutrients are absorbed. Tp sperm cells have never been observed, nor have embryos past the 64-cell (blastula) stage.
Tp's body symmetry seems to be most like that of ________.
A) most sponges
B) cnidarians
C) worms
D) tetrapods
Correct Answer:

Verified
Correct Answer:
Verified
Q13: The last common ancestor of all animals
Q38: Due to its unusual habitat (inside the
Q39: Most fish deposit fertilized eggs, but some
Q40: Sponges are most accurately described as _.<br>A)
Q41: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3735/.jpg" alt=" Which of the
Q42: Most cnidarians are known to produce toxins.
Q43: If you think of the earthworm body
Q44: The digestive system of most animals is
Q46: The larvae of some insects are merely
Q47: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3735/.jpg" alt=" -In the experiment