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Zoology
Zoology Final
| Question | Answer |
|---|---|
| Do Amphibians live on land? | Yes |
| Do Amphibians Dry out? | Yes |
| Do Amphibians live on water? | Yes |
| True or False? Amphibians have smooth skin | True |
| True or False? Live on Land and water? | False |
| Right amphibian heart chamber | Receives deoxygenated blood from the body. |
| What are the skeletal adaptations in amphibians? | Reduction in the number of vertebrae, bones, less flexibility greater strength, fusion, fewer head bones, tetrapoda |
| Flexor | Muscle that acts to bend a joint/limb. |
| Tissue organization | cellular, tissue, organs and organ systems |
| Phylum Porifera | 100,000 species mostly marine, invertebrates, sessile filter feeders, solitary/colonial, bridge between protists and animals |
| Skeleton of Porifera | spicules and spongin |
| What do Spongin look like? | collagen fibers |
| Spongocoel? | hollow opening where water fills in and out |
| Three levels of complexity in Porifera? | asconoid, leuconoid and syconoid |
| Syconoid? | more complex with chambers which increase surface area |
| Pirufera Reproduction? | Sexual-hermaroditic, Asexual-fragmentation or gennules (fresh water) |
| Chanocute? | flagellated cells that line spongocoel; filter for food |
| Characteristics of Porifera? | They are called sponges, Multicellular organism which are sessile. |
| The central cavity is called? | the spongocoel |
| Skeleton of Porifera? | spicules and spongin |