Homework answers / question archive / Auburn University BIOLOGY 3040 Chapter 14 1)Features/groups associated with protostome animals… A very early stage of the embryo that is a hollow ball of cells is called – Feature/group associated with Ecdysozo – Protista –   No tissues, no gut, no body cavity, no nervous system, presence of choanocytes – Both benthic and swimming medusa form – Anthozoa – You’ve been stung multiple times by Chrionex fleckeri

Auburn University BIOLOGY 3040 Chapter 14 1)Features/groups associated with protostome animals… A very early stage of the embryo that is a hollow ball of cells is called – Feature/group associated with Ecdysozo – Protista –   No tissues, no gut, no body cavity, no nervous system, presence of choanocytes – Both benthic and swimming medusa form – Anthozoa – You’ve been stung multiple times by Chrionex fleckeri

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10. Lophotrochozoa –
11. Organism that is a free-living carnivore with a barbed proboscis –
12. Earthworms –
13. Shipworms –
14. A bony structure is filled with small pores inside this animal –
15. This animal lives at the oxygen minimum feeds on dead detrital materials floating in the water column, using a sticky tentacle like filament with fine hairs on it –
16. Ecdysids grow by periodic molting of their outer carapace. This is a defining feature for the group –
17. The mantis shrimp has the most complex eye system of any animal and can see 4500 colors –
18. Lophophorate phyla –
19. Deuterostomes –
20. Echinoderms all have –

21. Sea urchins have interlocking calcareous plates that cover up the body –
22. Crinoids, or feather stars, are a group within the urochordate -
23. The urochordate have –
24. Salps are very like sea squirts because they both have inhalant and exhalent siphons used for swimming -