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Ekaterina Grebenchuk Riga Ekaterina Grebenchuk Riga Ostvald secondary school 6.d Ostvald secondary school 6.d
1. Amphibians1. Amphibians
1.1. Frog1.1. Frog
1.2. 1.2. The Galapagos Giant Tortoise The Galapagos Giant Tortoise
1.3. Hippo1.3. Hippo
1.4. Sea Lion1.4. Sea Lion
1.5. 1.5. CrocodileCrocodile
World of amphibiansWorld of amphibians What Makes anWhat Makes an amphibians? amphibians? Amphibians are animals that live part of their Amphibians are animals that live part of their
lives in water and part on land. They usually lives in water and part on land. They usually have soft, moist skin that is protected by a have soft, moist skin that is protected by a slippery layer of mucus. They also tend to live slippery layer of mucus. They also tend to live in moist places or near water to keep their in moist places or near water to keep their bodies from drying out. There are three main bodies from drying out. There are three main groups of amphibians: caecilians; salamanders, groups of amphibians: caecilians; salamanders, newts, and mudpuppies; and frogs and toads.newts, and mudpuppies; and frogs and toads.
FrogsFrogs
Frogs are amphibians, which comes from the Frogs are amphibians, which comes from the Greek language and means "both lives." Most Greek language and means "both lives." Most frogs are born in water as tadpoles and frogs are born in water as tadpoles and gradually change into frogs although some gradually change into frogs although some frogs, known as direct developers, are born as frogs, known as direct developers, are born as full frogs. This allows them to be born and live full frogs. This allows them to be born and live far away from water, such as on mountaintops.far away from water, such as on mountaintops.
The Galapagos Giant TortoiseThe Galapagos Giant Tortoise
The Galapagos Giant Tortoise is the world's The Galapagos Giant Tortoise is the world's largest land tortoise. They almost went into largest land tortoise. They almost went into extinction because people captured them for extinction because people captured them for food, and because they were attached by other food, and because they were attached by other animals people brought to the island. The animals people brought to the island. The Galapagos Giant Tortoise lives only on the Galapagos Giant Tortoise lives only on the Galapagos Islands. Their staple food is grass Galapagos Islands. Their staple food is grass and cactus, but they also eat fruits.and cactus, but they also eat fruits.
HippoHippo Hippopotamuses love water, which is why the Hippopotamuses love water, which is why the
Greeks named them the "river horse." Hippos Greeks named them the "river horse." Hippos spend up to 16 hours a day submerged in rivers spend up to 16 hours a day submerged in rivers and lakes to keep their massive bodies cool and lakes to keep their massive bodies cool under the hot African sun. Hippos are graceful under the hot African sun. Hippos are graceful in water, good swimmers, and can hold their in water, good swimmers, and can hold their breath underwater for up to five minutes. breath underwater for up to five minutes.
Sea LionSea Lion
SeaSea Lion Lion are found in all climates, in both the are found in all climates, in both the north and southern hemispheres and every ocean north and southern hemispheres and every ocean with the exception of the with the exception of the Atlantic Atlantic Ocean. The sea Ocean. The sea lion lion generally lives in coastal ares where there is generally lives in coastal ares where there is a good food supply and land close by for the sea a good food supply and land close by for the sea lion lion to have a rest from swimming and hunting in to have a rest from swimming and hunting in the water. The sea the water. The sea lion lion has 4 flippers which the has 4 flippers which the sea sea lion lion is able to turn around when on solid is able to turn around when on solid ground, allowing the sea ground, allowing the sea lion lion to walk on land.to walk on land.
CrocodileCrocodile
CrocodileCrocodile, , the largest of living reptilesthe largest of living reptiles foundfound throughout the throughout the tropical and subtropical tropical and subtropical regions of the worldregions of the world. . Crocodiles live near Crocodiles live near swamps andswamps and marshesmarshes. . They They spend much of spend much of their time basking in the suntheir time basking in the sun. The crocodile has . The crocodile has a heavy tail, short legs, and webbed hind feet.a heavy tail, short legs, and webbed hind feet.
