FISH

1. FISH
BIRDS
REPTILE
MAMMALS
AMPHIBIANS

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They have a highly developed brain.
They have an internal skeleton.
They have the most complex nervous system.
They have good sensory organs.
They have good reflexes.
They can learn from mistakes.
They live in a variety of habitats because they have a developed nervous
system.
Most vertebrates can move and are heterótrophic.
They have a respiratory system.
They have an outer covering of protective cellular skin.
They have a bilateral simmetry plan.
Vertebrates are only 2% of the animal species.
Human beings are vertebrates.

17. BY: AMARA, GABRIELA Y ÁNGELA

18. CHARCTERISTICS
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OF FISH
They are aquatic vertebrates and living beings.
They have a cartilaginous skeleton.
They have fins to move through the water.
Their body is covered with scales.
They breathe through gills dissolved oxygen in the
water.
6. They have variable temperature.
7. They reproduce by eggs. They lay their eggs in the
water.
8. Their circulation is simple and complete

19. They are aquatic vertebrates and living beings.

20. They have bony or cartilaginous skeleton.

21. They have fins to move through the water

22. Their body is covered with scales.

23. They breathe through gills dissolved oxygen in the water.

24. Their circulation is simple and complete