Bio 112 Lab Test (Sponges and Cnidarians)
Terms
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- The tentacles in the portuguese man-of war is loaded with
- nematocytes
- what body form does a Hydra have
- solitary polyp
- How does the GONIONEMUS and other medusae move?
- By Jet Propulsion
- Why is the Portuguese man-of-war (species of hydrozoan) considered to be colonial
- It is composed of several types of modified polyps and medusae
- What type of symmetry does Hydra have
- radial symmetry
- Food is captured (in Cnidarians) with the aid of STINGING ORGANS is called ______________. The cells that make up that organ is called ________/
- 1. nematocysts 2.cnidocyte
- Polyp means
- sessile
- Medusa means
- free swimming
- What are the 2 main body forms of the Cnidarians
- Polyp (sessile) and Medusa (free swimming)
- How many tissue layers make up the animals in the Phylum Cnidaria
- 2 layers, endoderm and ectoderm
- What type of symmetry does the animals in the Phylum Cnidaria have
- radial symmetry, gut
- What type of habitat are most of the animals in the Phylum Cnidaria found in
- aquatic, mostly marine
- What is the cell that ALL Cnidarians have
- cnidocyte
- 3 things that animals must have or be to exhibit considerable _____________.
- 1.multicellular 2. oxygen-consuming 3. heterotrophic 4. motility
- what phylum is sponges in
- Phylum Porifera
- What type of symmetry does the sponges have
- None or crude radial symmetry
- What structures are used to support the body of a sponge
- spicules and spongin
- This is MONOECIOUS (meaning it has ONE reproductive structure)
- hermaphroditic
- What is the name of the LARVAE that are produced by sponges
- amphiblastula
- The ASEXUAL reproduction in many sponges occur by what
- budding and fragmentation
- SPonges reproduce how
- asexually
- What phylum is Cnidarians in
- Phylum Cnidaria
- Corals are in what class
- Class Anthozoa
- Sea Anemones are in what class
- Class Anthozoa
- What class is Hydrozoans in?
- Class Hydrozoa
- WHat is the coral made up of primarily
- calcium carbonate
- in the class anthozoa (sean anemones and corals) are in what kind of habitat?
- marine