VERTEBRATES
VERTEBRATES
Characteristics of VertebratesCharacteristics of Vertebrates
VERTEBRATES
The main characteristics are: Internal skeleton with spine.
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They have three parts or regions: head, torso and tail.
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The torso has four extremities which can be paws, wings and fins.
VERTEBRATESTheir nervous system has an encephalon (brain) and a spinal cord. The encephalon is placed inside the skull and the spinal cord is placed inside the spine.
VERTEBRATES
Sense organs are placed inside the head
VERTEBRATES
Some characteristics of fish are:
VERTEBRATES
Their skin has scales.
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Their extremities are fins
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Fish have gills
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Some characteristics of Amphibians are:
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Their skin is always moist
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They have four extremities
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They breathe using gills, lungs and skin.
VERTEBRATES
Some characteristics of Reptiles are:
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Their skin is dry and strong, it has scales.
They have four legs, which they use to run, climb and swim. Snakes don't have legs so they slither to move around.
VERTEBRATES
VERTEBRATES
Reptiles are cold-blooded
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They lay eggs
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Some of them have glands that produce venom to kill their prey.
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Characteristics of Birds :
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Birds don't have teeth, they have a beak
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Their front legs become wings.
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Their bodies are feathered
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They are hot-blooded (endothermic).
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They breathe with lungs
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They lay eggs with shells
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Characteristics of Mammals :
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They are warm blooded (endothermic): they can maintain a constant body temperature.
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They have hair
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They have sudoriferous (sweat) glands
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They have mammary (milk-secreting) glands. They produce milk to feed their young.
VERTEBRATES
They have different types of teeth
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They give birth to live young and provide protection and care for them before and after birth.