Lab Practical 2
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58 terms
Terms | Definitions |
|---|---|
 Sponge Phylum | porifera |
| Symmetry Sponges | radial |
| Germ layers porifera? | diploblastic |
| Support skeleton porifera? | spongin spicules |
| Opening on the upper end of the sponge | osculum |
| What part of porifera attaches it? | basal end |
| What pores allow water to enter incurrent canals? porifera | ostia |
| Adjascent to each incurrent canal is a ____ seperated by a layer of cells. porifera. | radial canal |
| radial canals are lined by special cells called ______ that produce water currents that bring in food particles and oxygen | choanocytes |
| How does water pass from incurrent canals to radial canals? | porocytes |
| Phylum of jellyfish? | Cnidaria |
| Cnidaria digestion? | gastrovascular cavity |
| Cnidaria stinging cells | cnidocytes |
| Harpoon like structures in Cnidaria | nematocysts |
| The jelly like substance in Cnidaria in between the epidermis and the gastrodermis | mesoglea |
| Class Hydras, Obelias, Portugese man of war | Hydrozoa |
| Prominent body form hydrozoa | polyp |
| class jellyfish | Scyphozoa |
| Class sea anemones and corals | Anthozoa |
| In an Obelia, the feeding polyps with tentacles | hydranths |
| In Obelia, the reproductive polyps containing medusa buds are called... | gonangia |
| species portugese man of war | physalia |
| prominent body form scyphozoa | medusa |
| How many oral arms does a jelly fish have? | four |
| where are the sensory organs located on a jellyfish? | eight gaps between tentacles |
| Where are the gonads located in Scyphozoa | gastrovascular cavity |
| What is the ONLY body plan observed in Anthozoa | polyp |
| What attaches Anthozoa to rocks? | pedal disc |
| In Anthozoa, what connects the mouth to the gastrovascular cavity? | pharynx |
| Where are the stinging cells of Anthozoa located? | acontia |
| Partitions in the gastrovascular cavity of Anthozoa? | septa |
| what are coral skeletons made of? | limestone |
| in what class is a sea fan? | Anthozoa |
| A relationship in which one organism benefits at a significant cost to another | parasitism |
| All worms have what kind of symmetry? | bilateral |
| Flatworm phylum | platyhelminthes |
| Roundworm phylum | nematoda |
| Segmented worm phylum | annelida |
| Planaria and marine flatworm class | Tubellaria |
| Blook flukes class | Trematoda |
| tapeworms class | cestoidea |
| earthworm and leeches class | clitellata |
| class foot burrowing round worms | dracunculus |
| body cavity platyhelminthes | acoelomate |
| body cavity nematoda | pseudocoelomate |
| body cavity annelida | eucoelomate |
| support system platyhelminthes | parenchyma (cells) |
| support system nematoda, annelida | hydrostatic skeleton |
| excretion platyhelminthes | flame cells |
| excretion nematoda | lateral canals |
| excretion annelida | nephridia |
| which worm have cilia? | platyhelminthes |
| if platyhelminthes glide, then nematoda _____ | thrash |
| annelids move in ________ waves of motion | peristaltic |
| firsr phylum to evolve a complete digestive tract | nematoda |
| In annelida, an infolding of the dorsal wall of the intestine which increases surface area for digestion | typhlosole |
| Annelida, the cells around the outisde of the intestine that metabolize nitrogen and store starches and fats | chloragogen cells |
| the dorsal side of an earthworm is light or dark? | dark |
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