Essays Tagged: "Cnidaria"

The Portuguese Man-of-War

The Portuguese man-of-war if a member of the Kingdom Animalia, phylum Cnidaria(1), class Hydrozoa, order Siphonophra, the genus Physalia, and the species Physalia(2).The ..., 1997Microsoft Encarta 1996. Silicon Valley Ca., Microsoft Corporation, 19971 Cnidaria and Celenorates are two interchangeable names for this Phylum.2 Multiple sources were resea ...

(2 pages) 34 0 3.0 Mar/1992

Subjects: Science Essays > Biology

Invertebrates. 14 pages. Has an introduction and includes a lot of information about all the subphyla of the phylum invertebrata.

collar cells do to get water pumping?They rapidly whip their flagella in every which way direction.Cnidaria:General Characteristics:oCnidarians are either polyp (vase shaped) or medusa (bell shaped). ... th coiled stingers called nematocysts, located in the cnidocytes (stinging cells which characterize cnidarians).oAfter capturing prey it's drawn into their mouth, called a gastrovascular cavity (hollo ...

(12 pages) 113 0 2.8 May/2002

Subjects: Science Essays > Biology

Report On Phylum Cnidaria... describes many of Cnidarians bodily systems (excretory, digestive etc...)

Cnidaria ReportDigestive System:Cnidarians have tentacles, which help them to capture their prey eff ... ted within the cnidocytes from which their name is derived. The tentacles are then used to draw the cnidarians prey into their mouths. Next, enzymes located within the gastrovacular cavity are used to ... avity, then absorb the nutrients.Excretory System:Unused material and waste is released through the Cnidarians mouth. Obviously this means that that mouth also serves as an anus. The excreted waste is ...

(1 pages) 30 0 3.4 Dec/2002

Subjects: Science Essays > Zoology

Compare the structure and Function o the cnidocyte in Cnidarians to the colloblast in the Ctenophores.

The two phyla Cnidaria and Ctentophora makeup the radiate animals. Most radiates have tentacles or oral extensible ... in the tentacles are structurally and functionally unique to each phylum, such as the cindocytes in Cnidarians and colloblasts in Ctenophores. Cnidarians capture prey with special stinging cell ... se in capturing small animals, which serve as food. They do not function to inject toxins into prey.Cnidarians possess nematocysts that are abundant in tentacles. These function to either entangle, st ...

(2 pages) 26 0 3.0 Jun/2004

Subjects: Science Essays > Zoology

Marine Animal diversity and adaptation to life in the seas and ocean.

very concentrated small amounts of urine (Carter, 2005; Dipper, 2005; Thinkquest Team, 1998).Phylum CnidariaJellyfish such as the sea nettle (Chrysaora quinquecirrha) are euryhaline, and mainly rely o ...

(6 pages) 53 0 4.8 Jun/2006

Subjects: Science Essays > Zoology

Classification: Paper is on the kingdoms of Biology. Paper is long ,organized, and in detail.

nd jaw supports. Lastly, a post-anal tail. In addition, all chordates have segmented muscles.Phyla: CnidariaSea anemones, corals, hydra, and jelly fishes are the organisms that make up the Cnidaria ph ... sms that make up the Cnidaria phyla. They can be radially or bilaterally symmetrical. The bodies of cnidarians consist of two layers, endoderm and ectoderm, this is called diploblastic. The mesoglea i ...

(6 pages) 80 0 4.6 Jun/2006

Subjects: Science Essays > Biology

Tissue Development: Phylum Cnidaria

Cnidarians (from the Greek knide meaning "nettle) represent the next higher level of organization of ... ganization of animals. They are radially symmetric and possess true tissues. However, like sponges, cnidarians have only two germ layers: ectoderm and endoderm. A middle layer, called mesoglea, is lar ... an 50 species can be found in freshwater ecosystems, hydra being one of the most commonly occurring cnidarians in our lakes and ponds.The evolutionary advances that the cnidarians demonstrate compared ...

(2 pages) 10 0 3.0 Nov/2001

Subjects: Science Essays > Biology

Protosome vs Duetrosome

anism and thus divides the organism into symmetrical right and left sides. The general rule is that Cnidaria and Porifera maintain radial symmetry, while the other phyla retain bilateral symmetry.Expl ... e phylogenetic tree shown below. Use specific examples from the tree in your discussionPorifera and Cnidaria are separate from the rest of the phyla because both Porifera and Cnidaria are radially sym ...

(2 pages) 12 0 4.3 Jan/2008

Subjects: Science Essays > Biology