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Vertebrates: animals with backbone and an endoeskeleton
Fish,amphibians,reptiles birds and mammals are the 5 vertebrates

Invertebrates:
Animals without a backbone.
They either have no skeleton or have an external
Called exoskeleton worms and jellyfish are invertebrates

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animals are living, multicellular beings with distinctive characteristics,such us the ability to detect changes in their enviroment and the ability to move freely

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anatomy:
they have different kinds of glands
mammals are tetrapods terrestrial mammals have legs
marine mammals finds and fliying mammals wings
their body is covered by  hair or fur that is a good thermal insulator that also protect them from humidity

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vital functions:
mammals are endothermic animals
they breathe through their lungs
mammals have very varied eating habits they  can be herbivores omnivores and carnivores
they are viviparous
they have a very developed nervous system

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anatomy:
they don't have teeth but they have a strong beak
they have feathers on their bodies and scales on their legs
their bodies are fusiform and their necks are ussually long
theyare bipeds thats means that their front limbs have become wings

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vital functions:
they are endothermic
they breathe through lungs
their eating habits are varied and related to the size and shape of their beaks
they lay amniotic eggs with hard shells,so they are oviparous

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anatomy:
their scaly skin is tough and dry
they have scales made of keratin
they are tetrapods and their legs are adapted for walking,climbing or swimming,some of them they don't have limbs

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Anatomy:
They have strong muscles,
Their limbs are fins that allow them to swim,
Their bodies are smooth and covered with scales.

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Vital function:
Their body temperature changes according to the temperature of their environment
Fish take oxygen dissolved in the water into their bodie through the gills
The majority of fish are carnivores
They reproduce by laying eggs,they are oviparous

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How the fishes breath

Water transfers oxygen to the blood when it passes through the gills,and carries away carbon dioxide

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Types of fishes

Cartilaginous fish : that means that have an skeleton made of cartilage example sharks

Bony fish: thats mean they have a skeleton made of bone

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Anatomy:
They are tetrapods
They have thin,moist skin
A sticky mucus produced by glands under their skin helps them stay moist.
Other glands secrete poison

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Vital functions:
They are cold-blooded and the temperature of their bodies changes according to the temperature of their environment
They breathe mainly through their skin,they can also breathe through their lungs
The majority of amphibians are carnivores
They are oviparous

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metamorphosis of frogs

metamorphosis is the developmental process some animals go through from birth to adulthood as they grow,
in the case of frogs, tadpoles are aquatic animals and herbivores.they undergo significant  changes as they develop until  they become adult amphibians.
As terrestrial animals,they are carnivores

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vital functions:
nutrition animals are heterotrophics
they are classify to what they eat such us
herbivores,carnivores and omnivores
interaction they have sense organs wich allow them to detect changes in the enviromment and respond to them
reproduction they can be asexual or sexual
sexual means they need 2 parents male and female
asexual means a single parent

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they have different types of simmetry:

bilateral: that mean its body can be divided into 2 equal parts by one line down the centre

radial symmetry: its body can be divided into symmetrical parts in a minimum of 2 directions or planes

asymmetry:
its body can not be divided into symmetrical parts, there are no lines of symmetry.

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vital functions:
they are ectothermic or cold-blooded animals
they breathe through lungs
many of them are carnivores and hunt their prey,
some reptiles have glands
they are oviparous they lay amniotic eggs