Term
| What are birds derived from? |
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Definition
| Birds are derived from a grop of bipedal dinosaurs that are fast moving and intelligent. |
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Term
| What shared characteristics are there of birds and therapods? |
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Definition
| elongated s shaped neck, digitgrade poisture, hollow bones, ankle, 3 toes pointed forward and one backward |
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Term
| What are the bird characteristics? |
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Definition
| endothermic, hollow bones, have feathers, four chamber heart, lay eggs, specialized beaks, and foot, and wings |
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Term
| What is the Precambriam Era? |
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Definition
| 90 percent of earth's time, fossil finding era |
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Term
| What was the Paleozoic Era? |
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Definition
| A time of great diversity |
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Term
| What was the Meszoic Era? |
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Definition
| Rise of the reptiles, meteorite hit earth kilt most of the plant life, by blocking the son killing many reptiles opening the door for mammals |
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Term
| What was the Cenozoic Era? |
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Definition
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Term
| What gave rise to the Mammals? |
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Definition
| A group of therapsid reptiles |
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Term
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Definition
| A group for the therapsids that were mamal like |
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Term
| What were the Cynodonts characteristics? |
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Definition
| secondary plate that was a roof in the mouth that separated the mouth from the nose allowing mamals to breathe and eat at the same time, specialized teeth, molars and incisors, jaw bone allowed for hearing, they had whiskers, they walked on four legs |
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Term
| What are the characteristics of mammals? |
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Definition
| endothermic, skin and hair, hollow bones, 4 chambered heart, vivarity, mammory glands, three bones in ear, different teeth |
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Term
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Definition
| bird nest that are cupped shaped woven from plant materials |
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Term
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Definition
| birds nest made out of sticky sticks cement |
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Term
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Definition
| birds nest made out of aquatic plants that float on water |
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Term
| What are the three subclasses categories? |
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Definition
Subclass Prototeria:monotremes( monotremata)
Subclass Metatheris: Marisupals(pouch like mammals)
Subclass: Eutheria( placental mammals) |
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Term
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Definition
egg laying mammals that refer to one hole used for everything
they don't have mammory glads, but sweat glands |
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Term
| What are the types of Monotremes? |
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Definition
Spiny Echinida- doesn't lay eggs in a nest, has sticky eggs that are attatched to mother body, no nipples, sweat glands
Duck Platypus- lays eggs in a nest but stays by nest to protect the eggs |
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Term
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Definition
pouched like mammals, such as kangaroos, kialoas.
The enfant is have born and continues to develope in mothers pouch on teat, females have two vaginas and males have two penis |
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Term
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Definition
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Term
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Definition
| marisupals, kangaroos, kiolas |
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Term
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Definition
| 50% of mammals, include rats, mice, squirells, hamsters, beavers |
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Term
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Definition
| mammals with large trunks for grabbing items, include elephants, mammoths |
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Term
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Definition
| mammals that have fin foots, include seals, sea lions, walruses |
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Term
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Definition
| Mammals that have curled nose to direct insects to mouthe; elephant shrews |
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Term
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Definition
| Aquatic mammals that breathe through mouth and nose include manatees and dugongs |
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Term
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Definition
| insect eaters with pointed teeth and nose pointed foward include moles, hedgehogs, shrews |
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Term
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Definition
| Forelimbs modifed into wings; bats |
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Term
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Definition
| mammals with odd number of toes, horses, zebra, rhinos, donkeys |
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Term
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Definition
| Hindlegs longer than front; rabbits, hares |
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Term
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Definition
| mammals with even number of toes include pigs, cows, sheep, deer, camels |
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Term
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Definition
| marine mammals include, dolphins and whales |
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Term
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Definition
| meat eaters with sharp teeth include cats, dogs, wolves, bears |
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Term
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Definition
| Animals that are intelligent with thumbs include, monkeys, apes, humans |
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Definition
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