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Apologia Bio Mod 16

Apologia Biology Module 16

QuestionAnswer
Amniotic egg A shelled, water-retaining egg that allows reptile, bird, and certain mammal embryos to develop on land
Neurotoxin A poison that attacks the nervous system, causing blindness, paralysis, or suffocation
Hemotoxin A poison that attacks the red blood cells and blood vessels, destroying circulation
Endotherm An organism that is internally warmed by a heat-generating metabolic process
Down Feathers Feathers with smooth barbules but no hooked barbules
Contour Feathers Feathers with hooked and smooth barbules, allowing the barbules to interlock
Placenta A structure that allows an embryo to be nourished with the mother's blood supply
Gestation The period of time during which and embryo develops before being born
Mammary glands Specialized organs in mammals that produce milk to nourish the young
Reptilia 1. Scales 2. Ectothermic 3. Lungs 4. Three-chambered heart (partially divided ventricle) 5. Amniotic eggs with leathery shell
Rhynchocephalia tuatara with parietal eye
Squamata snakes and lizards
lizards 1. two pairs of limbs 2. have ears 3. same scales all over body 4. eyelids
snakes 1. no limbs 2. deaf 3. special scales on belly 4. no eyelids
Testuadines turtles and tortoises
Crocodilia Crocodiles and alligators
Aves 1. endothermic 2. four chambered heart 3. toothless bill 4. oviparous, amniotic egg with lime shell 5. feathers 6. porous lightweight bones
Mammalia 1. hair covering skin 2. internal fertilization, viviparous 3. nourish young with mammary glands 4. four chambered heart 5. endothermic
Egg: Shell, amnion, yolk, allantois, chorion, albumen
Lizard types: iguana, Komodo dragon, gecko, chameleon, horned toad, Gila monster
About Snakes: Scutes, jacobson's organs, kill by constriction, neurotoxins, or hemotoxins, quadrate bone
Snake types: sea snake, coral snake, cobra (all short-fanged), pit viper, water moccasin, copperhead, western diamondback, rattlesnake
testuadines types: hawksbill turtle, giant tortoise, and leatherback sea turtle
Tyrannosaurus Theropod
Feather: Shaft, vane, quill, rachis, barbules, preening
Created by: woodstock1610
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