4009992
Description
Flashcards by Marian Ruiz, updated more than 1 year ago
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Created by Marian Ruiz
about 9 years ago
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| Question | Answer |
| Backbone | is made up of bones called vertebrae. |
| Limbs | a part or member of an animal body distinct from the head and trunk, as leg, arm or wing |
| There are five groups of vertebrates | fish amphibians reptile mammals birds |
| HOW DO YOU KNOW IT IS A FISH? | 1. It is cold-blooded. 2. Their skin is covered with scales. 3. They breathe with gills . 4. They are aquatic vertebrates. 5. Their limbs are modified into fins . 6. They are oviparous. |
| There are two kinds of fishes | * bony fishes have a skeleton made of bone and also have a swim bladder . * Cartilaginous fish have a skeleton made of cartilage,. |
| Exemples of cartilaginous fish. are | sharks and rays |
| HOW DO YOU KNOW IT IS AN AMPHIBIAN? | 1. They are cold-blooded.. 2. They have no scales, hair, or feathers, their skin is humid . 3. They are oviparous, lay eggs in water. 4. They grow through METAMORPHOSIS |
| A pollywog is | larval stage of an amphibian, lives in water breath with gills |
| In the adult stage an amphibian | live in land and breath with lungs and through their skin. |
| THERE ARE TWO KINDS OF AMPHIBIANS: | Anurans : without tail Urodela : with tail |
| It is a reptile because... | • It is cold-blooded. • They have scales and dry scaly skin. • They have lungs for breathing. • They are oviparous, they lay eggs with hard shell on land. • They are carnivors. • They crawl or slither ( skate |
| THERE ARE FOUR KINDS OF REPTILES: | Snakes Lizards Turtles Crocodrilians |
| It is a bird because... | • It is warm-blooded. • They have feathers, beak, claws and wings •They lay eggs with hard, waterproof shells •They breathe through lungs with air sacs The most can fly. •Their bones are lightweight and usually hollow. |
| feathers | |
| beak | |
| claws | |
| wings | |
| It is a mammal because... | • It is warm-blooded. • They have four limbs i • They have hair or fur • They are viviparous. • They breathe with lungs. • They have mammary glands • They can be carnivore, herbivore or omnivore. |
| There are three different groups based on reproduction methods: | - Monotremes - Marsupials - Placentals |
| Fins | |
| gills | |
| lungs |
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