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Nguyễn Mai Duyên Khánh

Frogs are amphibians, meaning that they can live both in and out of the water. All frogs lay their eggs in the water, and a female frog will lay thousands of eggs at a time. When the eggs hatch, (1)_____ come out are not frogs but rather tadpoles. Unlike frogs, tadpoles must spend all their time in the (2)_____, being unable to breathe air at this point. Tadpoles also lack arms and legs, and have a tail which they (3)_____ as they develop into frogs. Tadpoles are herbivours, which means that they only eat (4)_____. Specially, tadpoles eat algae, a water plant which can be harmful if there is too much of it. (5)_____, tadpoles are important to keep most ponds healthy.

As tadpoles develop into mature frogs, they develop the lungs which allow them to (6)______ air, and the arms and legs which allow them to move across (7)_____. At this point the mature frogs leave the ponds, (8)_____ some species stay near the water for their entire lives. Mature frogs are carnivores, (9)_____ insects and small fish. Most frogs hunt using their long, sticky tongueto catch their prey. Some species of frogs have developed extremely strong poisons to defend (10)_____ from their other animals.

Phương Thùy
23 tháng 1 2019 lúc 22:34

Frogs are amphibians, meaning that they can live both in and out of the water. All frogs lay their eggs in the water, and a female frog will lay thousands of eggs at a time. When the eggs hatch, (1)___babies__ come out are not frogs but rather tadpoles. Unlike frogs, tadpoles must spend all their time in the (2)___water__, being unable to breathe air at this point. Tadpoles also lack arms and legs, and have a tail which they (3)___disappear__ as they develop into frogs. Tadpoles are herbivours, which means that they only eat (4)__plants___. Specially, tadpoles eat algae, a water plant which can be harmful if there is too much of it. (5)___Therefore__, tadpoles are important to keep most ponds healthy.

As tadpoles develop into mature frogs, they develop the lungs which allow them to (6)___get___ air, and the arms and legs which allow them to move across (7)___ground __. At this point the mature frogs leave the ponds, (8)__so___ some species stay near the water for their entire lives. Mature frogs are carnivores, (9)__eating___ insects and small fish. Most frogs hunt using their long, sticky tongueto catch their prey. Some species of frogs have developed extremely strong poisons to defend (10)___themselves__ from their other animals.


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