Comparative Vertebrate Anatomy Lecture Notes - Skeletal System II (Skull) The Vertebrate Skull consists of: 1 - neurocranium (also called endocranium or primary braincase) 2 - dermatocranium (membrane bones) 3 - splanchnocranium (or visceral skeleton) Neurocranium: 1 - protects the brain 2 - begins as cartilage that is partly or entirely replaced by bone (except in cartilaginous fishes) Cartilaginous stage: neurocranium begins as pair of parachordal & prechordal cartilages below the
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throughout the world‚ some in the gigantic oceans‚ some in the coldest of Antarctica or some in the hottest of deserts. These are the classes of animals‚ mammals‚ amphibians‚ birds‚ reptiles‚ and insect. Reptiles are cold-blooded vertebrates. They have dry skin covered with scales or bony plates‚ and they usually lay eggs. Reptiles can be classified into three groups‚ turtles‚ snakes‚ and lizards. There are lots of species of turtles‚ like the sea turtle who live in the oceans. They can be identified by
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evolutionary theories have been in place‚ the heated debate regarding the origin of birds and their relationship to dinosaurs has raged on. After the 1860s birds have been hypothesized as being closely related to an ample assortment of extant and extinct reptile lineages. These include a diversity of basal archosaurs and archosauromorphs‚ pterosaurs‚ crocodylomorphs (including modern crocodylians and their Mesozoic relatives)‚ and various theropod ornithischian dinosaurs. Phylogenetic systematics is the field
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speciation in which new species evolve from a single ancestral species while inhabiting the same geographic region. Allopatric: Occurring in separate‚ nonoverlapping geographic areas 4. Organism- Reptile Genus- Micrurus Species- fulvius Common Names- Coral Snake Organism- Reptile Genus- Lampropeltis Species- triangulum elapsoides Common Names- Kingsnake 5. That Batesian mimicry is only effective if predators have experience with dangerous species. 6. Cylinders of precoloured
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What Is Biodiversity? | 2 | 3 | What Is Vertebrates? | 3 | 4 | Classification of groups | | | vertebrates : | | | | a) Amphibians | | 4 | | b) Fish | | | 5 | | c) Birds | | | 6 | | d) Mammals | | 7 | | e)Reptiles | | | 8 | 5 | Add Notes | | | 9 | 6 | Research Reseources | 11 | Biodiversity is the degree of variation of life forms within a given ecosystem‚ biome‚ or an entire planet. Biodiversity is a measure of the health of ecosystems
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What is salmonella? According to the Mayo Clinic Salmonella infection is a common bacterial disease that affects the intestinal tract. Salmonella bacteria typically live in animal and human intestines and are shed through feces. Humans become infected most frequently through contaminated water or food sources. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. (Centers for Disease Control and Prevention) The infectious agent (pathogen)
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catching insects with their sticky tongue 5. Mosquitoes e. tearing meat with their strong pointed teeth B. 1. mammals a. they have dry scaly skin 2. birds b. they have mammary gland that produce milk to feed Their youngs 3. reptiles c. they live both in land and in water 4. amphibians d. they have gills to breathe and fins to swim 5. fish e. they have feathers to fly. C. 1. vertebrates a. They are either rounds‚ flat or segmented 2. invertebrates b. they are
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spot for tourists. Coringa Sanctuary (AP) Coringa Sanctuary is located near Kakinada port in East Godavari District along Bay of Bengal. It is at a distance of 20-km from Kakinada and 70-km from Rajahmundry by road. It is renowned for reptiles and the most famous ones are the salt-water crocodiles. The total area of sanctuary is part of delta of the river Godavari. It covers a total area of 235.70-sq-km and forms a part of the Godavari mangroves. It was declared as a sanctuary in July
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house. 45/50 states have some kind of law on exotic pet ownership. “I am in favor of animal rights as well as human rights. That is the way of a whole human being.”- Abraham Lincoln Do you own birds‚ reptiles‚ or big cats? If you do then you already support
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Transitional forms are organisms that indicate the development of one group of organisms from another or from a common ancestor. Helps understand how evolutionary change has occurred. E.g. Archaeopteryx was a flying dinosaur with both reptile teeth‚ claws and bird feathers Biogeography- study of the distribution of living things Particular types of plants and animals are found in certain continents and not others. By looking at the pattern of distribution of an organism today‚ plus
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