Page 6 - Primary Six Notes

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Animal Kingdom

Animals are classified into two groups

Vertebrates: - Vertebrates are animals that have a backbone or

spinal column, also called vertebrae. The back bone protects the

spinal cord.

Invertebrates: - These are animals with no back bone or verte-
bral column/spine.

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Vertebrates

Animals are classified into two groups

Vertebrates: - Vertebrates are animals that have a backbone or

spinal column, also called vertebrae. The back bone protects the

spinal cord.

All vertebrates have an endoskeleton

Vertebrate animals can be either warm-blooded or cold-blooded.

A cold-blooded animal cannot maintain a constant body tempera-

ture. The temperature of their body is determined by the outside

surroundings.