Категории: Все - characteristics - mammals - species - reptiles

по Kathryn Browning 5 лет назад

159

Types of Animals

The animal kingdom is divided into various classifications, each with unique traits and historical records. Mammals are distinguished by their fur, warm-blooded nature, and milk-feeding habits, with over 5,000 species recorded.

Types of Animals

Types of Animals

Invertebrates

665 million year old fossils found
over 1 million
Subtopic
No backbone

Mammals

Oldest record mammal was 211.
5,000+
Milk fed
Warm blooded
Fur

Amphibians

Absorb water and oxygen though skin
Number of species
90% are frogs
8,000
Lay un-shelled eggs
Scaleless skin

Reptiles

Facts
Discovered 320 million years ago
Have backbones
Number in species
Approximately 10,000
Characteristics
Lay eggs
Scales
Cold blooded