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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 |