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21 Cards in this Set
- Front
- Back
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What are the three orders of amphibians? |
Apoda, Urodela, and Anura |
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Describe the characteristics of Amphibia Apoda and give some examples. |
Legless amphibians of the tropics
Worm-like, burrow in the ground
Most are small but some can be 4 ft. long
Caecilians |
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Describe the characteristics of Amphibia Urodela and give some examples. |
Have well-developed tails
Immature stages have external gills
4 toes on front feet, 5 toes on back feet
Salamanders and newts |
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Describe the characteristics of Ampibia Anura and give some examples. |
Have no tails as adults
Very strong hind legs
Wide mouths, with "teeth"
Males have vocal sacs
Large eyes that help with chewing
Amplexus mating
Hibernation |
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What are the main characteristics of amphibians? |
Thin, flexible, moist skin
Chromatophores & Granular glands
Webbed feet with no claws
Double-loop circulation (3 chambered heart)
Eyelids with tear glands |
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When was the age of reptiles? |
the Mesozoic Era |
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Why were dinosaurs so large? |
1.) Water-dwelling animals were supported by water
2.) Large bodies meant less surface area per volume of animal with resulted in constant body temperature. |
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What is the most likely cause of the disappearance of dinosaurs? |
A meteor |
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What are the main characteristics of all reptiles? |
Reptiles have and egg with a shell
Relatively thick dry skin covered in scales
Young reptiles are born on land, and breathe with their lungs
Internal fertilization of the eggs
Jacobson's organ
Reptiles have 5 toes on all feet
Strong legs and jaws
Complex nervous system |
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What is a Jacobson's organ? |
The jacobson's organ is an odor sensitive area on the roof of the mouth of all vertebrates
It is highly developed in reptiles
They use there tongues to collect samples of air to smell |
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What are the two types of snake venom? |
Hemotoxins - attack the blood cells and tissues and cause internal bleeding, tissue damage and severe pain.
Neurotoxins - attacks the nervous system, causing paralysis |
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What is the difference between being poisonous and venomous? |
Venomous animals deliver toxins directly, through bite or sting.
Poisonous animals secrete toxins through skin, fur, or feathers as a defensive measure. |
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What are the different types of bird feathers? |
Contour feathers - tail and body feathers
Flight feathers - wing feathers
Filoplumes - down feathers |
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What are the types of wing feathers and their locations? |
Primary feathers - located on hand
Secondary feathers - located on forearm
Tertial feathers - located on upper arm
Convert feathers - form airfoil |
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What are the main characteristics of mammals? |
Mammary glands - secrete milk
Hair - insulation
claws, hooves, horns, or nails
4 chambered heart
Sweat glands
scent glands
sebaceous glands
Subcutaneous fat under skin
Highly developed brain
specialized teeth
diaphram |
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What are the different types of mammals? |
1.) Monotremes
2.) Marsupials
3.) Placenta mammals |
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What are the unique characteristics of monotremes? And what are some examples? |
Egg-laying mammals
secrete milk onto the fur of their stomach where their egg is
Examples: spiny anteaters, platypi |
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What are the unique characteristics of marsupials? And what are some examples? |
Pouched mammals
viviporous
young born after short pregnancy climbs into pouch to develop
Examples: kangaroo, koalas, opposoms |
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What are the unique characteristics of placenta mammals? And what are some examples? |
Viviporous
females develop a placenta when pregnant
umbilical cord connects mother to embryo
Examples: Humans, dogs, cats, mice |
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What are some venomous and poisonous mammals? |
Several species of shrews are poisonous
platypus are venomous (spur)
European mole
Slow Lorises are poison
Hedgehogs are poisonous
African Crested rats are poisonous |
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Whats and example of a poisonous bird? |
Hooded Puthoi |
