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27 Cards in this Set
- Front
- Back
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The ______ is a flagellated cell that sweeps water through a sponge's body |
Choanocyte |
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What is a correctly order lists of organism from at least complex to overall development |
Sponge's, hydras, clams |
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What exhibits bilateral symmetry? |
Butterfly |
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What is a character of all vertebrae |
A skull and backbone consisting of vertebrae |
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Fossil and genetic evidence strongly supports the idea that modern humans |
All derive from a single African lineage that spread from there into other parts of the world starting about 50,000 years ago. |
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A typical sponge is described as a |
Sessile suspension feeder with no tissues or body symmetry. |
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Which phyla is most closely related to echinoderms? |
Chorodata |
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As an example of the relationship between structure and function the forward facing eyes |
A depth perception as they navigate through forest. |
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All animals |
are heterotrphic |
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_______ appears to have been the first hominin to use a stone tools. |
Homo habilis |
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What animals display radial symmetry |
Sea anemone |
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Craniates are chordates |
Head |
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A bilaterally symmetry wormlike animal that has a complete digestive tract and a cuticle |
Nematoda |
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According to the fossil record the genus homo first arose |
Africa |
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What phylum wades in shallow water, umbrella- shaped, transluescent animal, stinging long tenecales, |
Cnidaria |
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Human DNA and chimpanzees dna differ |
About 1% |
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Hominin group includes |
Homo sapiens and several extinct human relatives |
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Which statement best describes the current scientific view of birds |
A group of feathered endothermic dinosaurs |
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Based on Acanthostega fossils scientists now believe that the earliest tetrapods were |
A fish that used it's limbs to raise out of the water to get gulps of air for oxygen |
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Coral reefs are |
Hard external skeleton secreted by Coral animals Cnidaria |
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Bilaterally symmetry, wormlike animal that has a complete digestive tract and a cuticle are a member of phyla |
Nematoda |
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The duck billed platypus and other monotremes differ from other mammals in that they |
Lay eggs |
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Which characteristic of vertebraes is associated with colinization |
Internal fertilization |
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Flatworms (pltyhelminths) are ______ And typically have ____& |
Bilaterally symmetry; gastrovascular cavity with one opening. |
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Lucy who belongs to the group_______, was a bipedal hominin with a brain smaller that that if humans |
Australopithecus |
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Hominin fossils footprints that obviously bipedeal date to aBout |
3.6 million years ago |
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The vetebrae group that best describes all jawed vertebraes with two pairs of limbs is the |
Tetrapods |
