Sponge and Cnidarian Review

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$2008-2009 Math Item Sampler$

$Consumer Math Summer Packet Assignment - Central Dauphin ...$

$2008-2009 Math Item Sampler$

$Course Title: Math Grade Level: Fifth$

20. _B_ _i_ _o_ _l_ _u_ _m_ _i_ _n_ _e_ _s_ c__ _e_ _n_ _c_ _e_ is a feature in which comb jellies produce light by a chemical reaction. 21. Box jellies are in the class _C_ _u_ _b_ _o_ _z_ _o_ _a_. 22. The dominant body form of the jellyfish is the _M_ _e_ _d_ _u_ _s_ _a_, but it goes through a larval stage called the _P_ _l_ _a_ n__ _u_ _l_ _a_ that swims by using its _C_ _i_ _l_ _i__ _a_. 23. The class of cnidarians referred to as the "flower animals" are the _A_ _n_ _t_ h__ _o_ _z_ _o_ a__ and contains the _S_ e__ a__ _A_ n__ _e_ _n_ _o_ _m_ _e_ and _C_ _o_ _r_ _a_ _l_. 24. Limestone cases of some cnidarians build up and form underwater _C_ _o_ _r_ _a_ _l_ _R_ _e_ _e_ _f_ _s_. 25. Box jellies have a _C_ _u_ _b_ _e_ shaped _M_ _e_ _d_ _u_ _s_ _a_. 26. The _C_ _l_ _o_ _w_ _n_ _f_ _i_ s__ _h_ lives _S_ _y_ m__ _b_ _i_ _o_ _t_ _i_ _c_ _a_ _l_ l__ _y_ in the tentacles of sea anemones. 27. Corals live as _P_ _o_ _l_ _y_ _p_ _s_ in _C_ _o_ _l_ _o_ _n_ _i_ e__ _s_ within their limestone skeletons. 28. Jellyfish are in the class of cnidarians called _S_ _c_ _y_ _p_ _h_ _o_ z__ o__ _a_. 29. _P_ _o_ _r_ _t_ _u_ _g_ u__ e__ s__ e__ _M_ _a_ _n_ - _o_ _f_ - _W_ a__ r__ exists as _C_ _o_ _l_ _o_ _n_ i__ e__ _s_ of both polyps and medusae in marine habitats. 30. Hydra are freshwater _C_ _n_ _i_ _d_ _a_ _r_ _i_ _a_ _n_ _s_ that can produce both sperm and eggs. 31. Stinging cells in cnidarians are located in their _T_ _e_ _n_ t__ _a_ _c_ _l_ _e_ _s_. 32. Cnidarians have a _N_ _e_ _r_ _v_ _e_ _N_ e__ _t_ to transmit responses to various parts of the body. 33. The harpoon-shaped structure in the cnidarian stinging cells is known as the _N_ _e_ m__ a__ _t_ _o_ _c_ _y_ _s_ _t_. 34. Unlike sponges that are organized only into _S_ _p_ _e_ _c_ _i_ _a_ _l_ _i_ z__ e__ d__ _C_ _e_ _l_ _l_ _s_, cnidarians have the _T_ _i _s_ _s_ _u_ _e_ level of organization also. 35. Stinging cells contain a poison used to _P_ _a_ _r_ a_ _l_ _y_ _z_ _e_ their prey. 36. _A_ _m_ _e_ _b_ _o_ _c_ _y_ t__ e__ s__ are cells in sponges that move about and deliver _N_ _u_ _t_ _r_ _i_ _e_ _n_ _t_ _s_ to other cells within the sponge. Label the external structures of the sponge. bud 2 Osculum Incurrent pores or Porocytes
Label the parts of the choanocyte or collar cell. What is the function of this specialized cell? To catch food by circulating water In what type of animal can this cell be found? Sponges These cells are found lining what layer of the animal? Gastrodermis (Gastrovascular cavity) What other specialized cells do these cells work with in the animal? amebocytes * * * * * * * * * * COMPLETE THE FOLLOWING TABLE FOR SPONGES. Sessile or Motile? Sessile Cells that Obtain Food? Choanocytes (collar cells) Asexual method of Reproduction? budding Cells that Distribute Food? Nucleus Collar Flagellum Internal Buds? Yes (gemmules) Opening where Water leaves? 3 Regrowing missing parts? Yes Opening (cells) Where Water Enters? Amebocytes Osculum Porocytes Hermaphrodites or Separate Sexes? Some separate; Hermaphrodite Rotates to Bring in water? Flagella creates water movement Type of Feeder? Filter Phylum? Porifera
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