Life history of frog
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Frogs are amphibians that lay eggs in water or wet places. The eggs develop slowly, with some becoming tadpoles. Tadpoles breathe through gills and resemble small fish, but undergo metamorphosis to grow lungs and limbs and transform into adult frogs that live on land. This transformation is driven by hormones like thyroxine secreted by the thyroid gland.
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Mayflies are common insects found near freshwater habitats worldwide. They have an incomplete life cycle consisting of egg, nymph, and adult stages. The nymph or "naiad" stage is aquatic, living in lakes and streams, while the short-lived winged adult stage lives on land. Mayflies are important indicators of freshwater quality, as their populations decline in polluted waters. There are over 2000 known mayfly species globally, with different families exhibiting distinct traits - some nymphs swim, others cling to surfaces, and some even burrow in sand and mud. Urbanization and pollution pose threats to many mayfly populations.
The life cycle of frog by Nathaniel Situmorang
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LIFE CYCLE OF FROG
It was created by Nathaniel Situmorang
Please leave your comment ^^
Amphibians
Amphibians live both on land and in water, breathing through lungs, skin, and mouth. They are cold-blooded, soft-skinned, and most give live birth to larvae that live in water before transforming into land-dwelling adults. The three orders of amphibians are Caudata (salamanders), Gymnophiona (caecilians), and Anura (frogs and toads). Salamanders have tails and internal fertilization, while frogs and toads lack tails and have external fertilization through aquatic eggs and larvae. Caecilians are worm-like and mostly blind, living underground.
Amphibians
Amphibians are vertebrates that lay eggs and undergo metamorphosis. They are born in water with gills but grow lungs and four legs as adults on land. Their skin is bare and moist to aid in respiration. Common types of amphibians include frogs, toads, salamanders, and newts.
The lifecycle of a frog
The lifecycle of most frogs begins with fertilized eggs laying in water for 3 weeks, hatching into tadpoles that breathe through external gills and have tails while eating vegetation; over 12-16 weeks the tadpoles develop lungs, hind legs, smaller tails and shift to a carnivorous diet as front legs grow, transforming into tiny frogs that can live on land as adults in 3-4 years.
Amphibians
Amphibians are a class of animals like reptiles, mammals, and birds. They live the first part of their lives in the water and the last part on the land. When they hatch from their eggs, amphibians have gills so they can breathe in the water. They also have fins to help them swim, just like fish. Later, their bodies change, growing legs and lungs enabling them to live on the land. The word "amphibian" means two-lives, one in the water and one on land.
Life Cycle of a Frog
Frog lifecycles begin as eggs laid in water, which hatch into tadpoles. Tadpoles live in water and breathe through external gills. They grow hind legs followed by forelimbs, as their gills are replaced by lungs allowing them to breathe air. Their tails are absorbed as they near metamorphosis into froglets, which can eat small bugs and live on land. Frogs mature sexually at 3 years old.
The Life cycle of frog
Frogs go through distinct stages of development from egg to adult. They begin as frog spawn, laying eggs in water. These hatch into tadpoles with tails and live in water. Over 5 weeks, tadpoles grow hind legs and lungs as their tails shrink. They become froglets and then young frogs, shedding their tails and developing fully on land as adult frogs that live mostly on land and eat insects.
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Mayflies are common insects found near freshwater habitats worldwide. They have an incomplete life cycle consisting of egg, nymph, and adult stages. The nymph or "naiad" stage is aquatic, living in lakes and streams, while the short-lived winged adult stage lives on land. Mayflies are important indicators of freshwater quality, as their populations decline in polluted waters. There are over 2000 known mayfly species globally, with different families exhibiting distinct traits - some nymphs swim, others cling to surfaces, and some even burrow in sand and mud. Urbanization and pollution pose threats to many mayfly populations.
The life cycle of frog by Nathaniel Situmorang
Here is another presentation!
LIFE CYCLE OF FROG
It was created by Nathaniel Situmorang
Please leave your comment ^^
Amphibians
Amphibians live both on land and in water, breathing through lungs, skin, and mouth. They are cold-blooded, soft-skinned, and most give live birth to larvae that live in water before transforming into land-dwelling adults. The three orders of amphibians are Caudata (salamanders), Gymnophiona (caecilians), and Anura (frogs and toads). Salamanders have tails and internal fertilization, while frogs and toads lack tails and have external fertilization through aquatic eggs and larvae. Caecilians are worm-like and mostly blind, living underground.
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Amphibians are vertebrates that lay eggs and undergo metamorphosis. They are born in water with gills but grow lungs and four legs as adults on land. Their skin is bare and moist to aid in respiration. Common types of amphibians include frogs, toads, salamanders, and newts.
The lifecycle of a frog
The lifecycle of most frogs begins with fertilized eggs laying in water for 3 weeks, hatching into tadpoles that breathe through external gills and have tails while eating vegetation; over 12-16 weeks the tadpoles develop lungs, hind legs, smaller tails and shift to a carnivorous diet as front legs grow, transforming into tiny frogs that can live on land as adults in 3-4 years.
Amphibians
Amphibians are a class of animals like reptiles, mammals, and birds. They live the first part of their lives in the water and the last part on the land. When they hatch from their eggs, amphibians have gills so they can breathe in the water. They also have fins to help them swim, just like fish. Later, their bodies change, growing legs and lungs enabling them to live on the land. The word "amphibian" means two-lives, one in the water and one on land.
Life Cycle of a Frog
Frog lifecycles begin as eggs laid in water, which hatch into tadpoles. Tadpoles live in water and breathe through external gills. They grow hind legs followed by forelimbs, as their gills are replaced by lungs allowing them to breathe air. Their tails are absorbed as they near metamorphosis into froglets, which can eat small bugs and live on land. Frogs mature sexually at 3 years old.
The Life cycle of frog
Frogs go through distinct stages of development from egg to adult. They begin as frog spawn, laying eggs in water. These hatch into tadpoles with tails and live in water. Over 5 weeks, tadpoles grow hind legs and lungs as their tails shrink. They become froglets and then young frogs, shedding their tails and developing fully on land as adult frogs that live mostly on land and eat insects.
Life cycle of a frog
Frogs lay eggs in calm waters to protect the eggs and young tadpoles. After hatching, tadpoles have gills and tails but no legs, feeding on yolk in their guts. Within 6-9 weeks, tiny legs sprout and by 12 weeks tadpoles have small tail stubs, becoming fully grown frogs by 12-16 weeks depending on their environment.
Ignitefrog
Frogs go through distinct life stages from egg to tadpole to adult frog. Eggs are laid and hatch into tadpoles, also called pollywogs, which have tails and gills. Tadpoles then undergo metamorphosis to transform into adult frogs, ending the life cycle which begins again with the adult frog laying more eggs.
Frog life cycle
Frogs begin their life as eggs without shells that hatch into tiny tadpoles. The tadpoles live in water, growing back legs after 7-8 weeks and front legs after 2 more weeks. After 12 weeks, the tadpoles become froglets that can breathe air and live on land, with their tails gradually shrinking over 3 months until they mature into young frogs.
Amphibians
Amphibians begin their lives in water, living as larvae that use gills to breathe. They undergo metamorphosis to transition to life on land as adults, developing lungs and three-chambered hearts. Most amphibians return to water only to reproduce and lay eggs that hatch into larvae, leading double lives both on land and in water. The two main groups are salamanders and frogs/toads.
Phylum Chordata - Class Amphibia
Amphibians were the first vertebrates to live on land but still require water to reproduce. They developed lungs, legs, and moist permeable skin to survive out of water. Amphibians include frogs, toads, salamanders and caecilians. Many amphibian populations are declining due to threats like climate change, habitat loss, pollution and disease.
Frog powerpoint
Frog eggs hatch into tadpoles that live in water, where they face dangers from predators. Over about 5 weeks, tadpoles grow hind legs and lungs as they transform into small frogs. Once fully developed after 11 weeks, adult frogs with legs and lungs emerge from the water to live on land, where they eat insects and reproduce by laying eggs that hatch into new tadpoles, continuing the life cycle.
Frog Life Cycle
The frog life cycle begins with eggs being laid in calm water and taking 6-21 days to hatch into tadpoles. Tadpoles live in the water for 7-10 days, feeding on yolk and algae and growing legs over 6-9 weeks. They then emerge from the water as froglets with tiny tails. The frogs then reach maturity and the cycle repeats as they find mates and create new eggs.
Larval forms in echinodermata
Echinoderms exhibit both direct and indirect development. Indirect development includes various larval stages that are bilaterally symmetrical and undergo metamorphosis into the radially symmetrical adult. The main larval forms are the Bipinnaria and Brachiolaria in starfish, Ophiopluteus in brittle stars, Echinopluteus in sea urchins, Auricularia in sea cucumbers, and Doliolaria and Pentacrinoid in feather stars. These larval forms are hypothesized to have evolved from a common ancestral larva such as the Dipleurula or Pentacula and share similarities with the tornaria larva of acorn worms, providing
Amphibians
Amphibians are tetrapods that either live on both land and water or have different life stages in each habitat. There are three modern orders of amphibians:
1. Caudata (salamanders and newts): Found in cool, moist habitats in the Northern Hemisphere. They have moist skin and internal fertilization. Larvae develop in water.
2. Gymnophiona (caecilians): Worm-like amphibians found in tropical regions. They burrow underground and have either aquatic or terrestrial larvae.
3. Anura (frogs and toads): Found worldwide in moist habitats. They undergo metamorphosis from aquatic tadpoles to terrestrial
Amphibians
Amphibians live both in water and on land, and undergo metamorphosis from aquatic tadpoles to terrestrial adults. There are over 6,000 known amphibian species including frogs, toads, salamanders, and caecilians. While amphibians first appeared 370 million years ago, many species are now endangered or extinct due to habitat loss and other threats.
Frogs life cycle
Frogs undergo a process called metamorphosis to transition from eggs to tadpoles to young frogs and finally adult frogs. They progress through four distinct stages - as eggs they hatch into tadpoles, tadpoles develop legs and lungs while still living in the water, they then emerge as young frogs and hop onto land, and finally mature into adult frogs that lay eggs starting the cycle again.
Frog cycle
The life cycle of a frog has four main stages: egg, tadpole, adult frog. Frogs first lay many eggs coated in jelly, which hatch into tadpoles. Tadpoles live in the water, breathing with gills and having a tail but no legs. They grow lungs and legs allowing them to transition to the final adult frog stage living on land.
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Amphibians are cold-blooded vertebrates that live both on land and in water. They evolved from fish during the Devonian period over 370 million years ago. There are three main types: frogs and toads, salamanders, and caecilians. Amphibians have moist skin, lay eggs, and go through a tadpole stage as part of their lifecycle. They are under threat due to habitat loss and pollution.
Amphibian history notes
The document discusses the characteristics and evolution of amphibians. It notes that lobe-finned fish were ancestors of amphibians, which allowed them to move between bodies of water. There are approximately 4,000 known amphibian species classified into three orders. Amphibians are characterized by their permeable skin, three-chambered hearts, and typically having an aquatic larval stage before transforming into terrestrial adults.
12 3 Amphibians
Amphibians such as frogs, toads, and salamanders spend their early life in water and their adult life on land. They have adaptations like camouflage, legs, and lungs that allow them to live on both land and water. However, amphibians are sensitive to environmental changes and facing threats due to habitat loss, pollution, and other factors.
Science chapter 2 lesson 3
This study guide covers how fish, frogs, and mammals grow. It defines amphibians as animals that live part of their life in water and part on land, and includes frogs in this category. The guide outlines the life cycle stages of frogs from egg to tadpole to adult frog. It also defines mammals as animals with fur or hair that feed their young with milk, and describes the typical mammal life cycle from egg to embryo to baby to young animal to adult.
Powerpoint for science module life cycle of a frog
Frogs lay eggs in water or wet places known as frog spawn. The eggs hatch into tadpoles that live in the water and have tails and gills. After 7-12 weeks the tadpoles grow hind legs and then front legs, their tails shrink and they develop lungs, allowing them to live on land as frogs. The newly emerged frogs eat insects and worms, find mates, and the females lay more eggs to continue the life cycle.
Amphibians karina siyana_10.7
Amphibians live both on land and in water. They undergo metamorphosis from egg to aquatic larvae to adult with lungs and limbs. Amphibians reproduce sexually by laying eggs in moist environments that develop into larvae with gills. Common UK amphibians include toads, frogs, and newts that live near water and eat insects, worms and other invertebrates.
17.3 amphibians
Amphibians evolved from lobe-finned fish with fins that transformed into legs suitable for both swimming and crawling on land. While adapted to live on land, amphibians still require water to reproduce as their eggs lack a shell and hatch as aquatic larvae that undergo metamorphosis to become adult amphibians. Common examples of amphibians include frogs, toads, salamanders and newts, which display a range of reproductive and life cycle strategies depending on their environment and habitat needs.
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Life cycle of a frog
Frogs lay eggs in calm waters to protect the eggs and young tadpoles. After hatching, tadpoles have gills and tails but no legs, feeding on yolk in their guts. Within 6-9 weeks, tiny legs sprout and by 12 weeks tadpoles have small tail stubs, becoming fully grown frogs by 12-16 weeks depending on their environment.
Ignitefrog
Frogs go through distinct life stages from egg to tadpole to adult frog. Eggs are laid and hatch into tadpoles, also called pollywogs, which have tails and gills. Tadpoles then undergo metamorphosis to transform into adult frogs, ending the life cycle which begins again with the adult frog laying more eggs.
Frog life cycle
Frogs begin their life as eggs without shells that hatch into tiny tadpoles. The tadpoles live in water, growing back legs after 7-8 weeks and front legs after 2 more weeks. After 12 weeks, the tadpoles become froglets that can breathe air and live on land, with their tails gradually shrinking over 3 months until they mature into young frogs.
Amphibians
Amphibians begin their lives in water, living as larvae that use gills to breathe. They undergo metamorphosis to transition to life on land as adults, developing lungs and three-chambered hearts. Most amphibians return to water only to reproduce and lay eggs that hatch into larvae, leading double lives both on land and in water. The two main groups are salamanders and frogs/toads.
Phylum Chordata - Class Amphibia
Amphibians were the first vertebrates to live on land but still require water to reproduce. They developed lungs, legs, and moist permeable skin to survive out of water. Amphibians include frogs, toads, salamanders and caecilians. Many amphibian populations are declining due to threats like climate change, habitat loss, pollution and disease.
Frog powerpoint
Frog eggs hatch into tadpoles that live in water, where they face dangers from predators. Over about 5 weeks, tadpoles grow hind legs and lungs as they transform into small frogs. Once fully developed after 11 weeks, adult frogs with legs and lungs emerge from the water to live on land, where they eat insects and reproduce by laying eggs that hatch into new tadpoles, continuing the life cycle.
Frog Life Cycle
The frog life cycle begins with eggs being laid in calm water and taking 6-21 days to hatch into tadpoles. Tadpoles live in the water for 7-10 days, feeding on yolk and algae and growing legs over 6-9 weeks. They then emerge from the water as froglets with tiny tails. The frogs then reach maturity and the cycle repeats as they find mates and create new eggs.
Larval forms in echinodermata
Echinoderms exhibit both direct and indirect development. Indirect development includes various larval stages that are bilaterally symmetrical and undergo metamorphosis into the radially symmetrical adult. The main larval forms are the Bipinnaria and Brachiolaria in starfish, Ophiopluteus in brittle stars, Echinopluteus in sea urchins, Auricularia in sea cucumbers, and Doliolaria and Pentacrinoid in feather stars. These larval forms are hypothesized to have evolved from a common ancestral larva such as the Dipleurula or Pentacula and share similarities with the tornaria larva of acorn worms, providing
Amphibians
Amphibians are tetrapods that either live on both land and water or have different life stages in each habitat. There are three modern orders of amphibians:
1. Caudata (salamanders and newts): Found in cool, moist habitats in the Northern Hemisphere. They have moist skin and internal fertilization. Larvae develop in water.
2. Gymnophiona (caecilians): Worm-like amphibians found in tropical regions. They burrow underground and have either aquatic or terrestrial larvae.
3. Anura (frogs and toads): Found worldwide in moist habitats. They undergo metamorphosis from aquatic tadpoles to terrestrial
Amphibians
Amphibians live both in water and on land, and undergo metamorphosis from aquatic tadpoles to terrestrial adults. There are over 6,000 known amphibian species including frogs, toads, salamanders, and caecilians. While amphibians first appeared 370 million years ago, many species are now endangered or extinct due to habitat loss and other threats.
Frogs life cycle
Frogs undergo a process called metamorphosis to transition from eggs to tadpoles to young frogs and finally adult frogs. They progress through four distinct stages - as eggs they hatch into tadpoles, tadpoles develop legs and lungs while still living in the water, they then emerge as young frogs and hop onto land, and finally mature into adult frogs that lay eggs starting the cycle again.
Frog cycle
The life cycle of a frog has four main stages: egg, tadpole, adult frog. Frogs first lay many eggs coated in jelly, which hatch into tadpoles. Tadpoles live in the water, breathing with gills and having a tail but no legs. They grow lungs and legs allowing them to transition to the final adult frog stage living on land.
Amphibians ppt 1-1 10-3 mila satchansky lewbina
Amphibians are cold-blooded vertebrates that live both on land and in water. They evolved from fish during the Devonian period over 370 million years ago. There are three main types: frogs and toads, salamanders, and caecilians. Amphibians have moist skin, lay eggs, and go through a tadpole stage as part of their lifecycle. They are under threat due to habitat loss and pollution.
Amphibian history notes
The document discusses the characteristics and evolution of amphibians. It notes that lobe-finned fish were ancestors of amphibians, which allowed them to move between bodies of water. There are approximately 4,000 known amphibian species classified into three orders. Amphibians are characterized by their permeable skin, three-chambered hearts, and typically having an aquatic larval stage before transforming into terrestrial adults.
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Amphibians such as frogs, toads, and salamanders spend their early life in water and their adult life on land. They have adaptations like camouflage, legs, and lungs that allow them to live on both land and water. However, amphibians are sensitive to environmental changes and facing threats due to habitat loss, pollution, and other factors.
Science chapter 2 lesson 3
This study guide covers how fish, frogs, and mammals grow. It defines amphibians as animals that live part of their life in water and part on land, and includes frogs in this category. The guide outlines the life cycle stages of frogs from egg to tadpole to adult frog. It also defines mammals as animals with fur or hair that feed their young with milk, and describes the typical mammal life cycle from egg to embryo to baby to young animal to adult.
Powerpoint for science module life cycle of a frog
Frogs lay eggs in water or wet places known as frog spawn. The eggs hatch into tadpoles that live in the water and have tails and gills. After 7-12 weeks the tadpoles grow hind legs and then front legs, their tails shrink and they develop lungs, allowing them to live on land as frogs. The newly emerged frogs eat insects and worms, find mates, and the females lay more eggs to continue the life cycle.
Amphibians karina siyana_10.7
Amphibians live both on land and in water. They undergo metamorphosis from egg to aquatic larvae to adult with lungs and limbs. Amphibians reproduce sexually by laying eggs in moist environments that develop into larvae with gills. Common UK amphibians include toads, frogs, and newts that live near water and eat insects, worms and other invertebrates.
17.3 amphibians
Amphibians evolved from lobe-finned fish with fins that transformed into legs suitable for both swimming and crawling on land. While adapted to live on land, amphibians still require water to reproduce as their eggs lack a shell and hatch as aquatic larvae that undergo metamorphosis to become adult amphibians. Common examples of amphibians include frogs, toads, salamanders and newts, which display a range of reproductive and life cycle strategies depending on their environment and habitat needs.
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Powerpoint for science module life cycle of a frog
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Frog eggs hatch into tadpoles that live in water, where they face dangers from predators. Over about 5 weeks, tadpoles grow hind legs and lungs as they transform into small frogs. Once fully developed after 11 weeks, the frogs emerge from the water with legs and lungs and can live on land, where they eat insects and eventually find mates to reproduce and start the life cycle again.
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Special mention of a few native New Zealand Frogs is made.
Aquatic vertebrates
This document describes several aquatic vertebrates including fish, amphibians, and reptiles. It provides details on the appearance, eating habits, life cycles, and other characteristics of different species of carp, catfish, fresh bream, frogs, snakes, and grass snakes. Fish generally have scales, fins, and gills and reproduce by laying eggs. Amphibians begin their lives in water with gills and tails, then develop lungs and legs to live on land as adults.
3rd Grade Reptilesand Amphibians.Hiawatha Teamppt
Reptiles and amphibians are both vertebrates but have key differences. Reptiles are ectothermic, have scaly skin or shells, lay eggs on land, and do not undergo metamorphosis. In contrast, amphibians are ectothermic, have permeable skin, lay eggs in water, and go through a larval stage and metamorphosis. The document provides examples of different reptile and amphibian groups and describes their characteristics.
Frog metamorphosis
Frogs undergo a process called metamorphosis where they hatch from eggs as tadpoles living in water, develop legs and lungs on land, and transform into adult frogs that live both on land and in water. The document reviews the stages of a frog's life cycle from egg to tadpole to froglet and provides links to a website for more information on frogs and their metamorphosis.
Vertebrates
Esta presentación ha sido elaborada para alumnos de 5º de Educación Primaria, en el área de Ciencias de la Naturaleza (Science). Con ella, podrán conocer los diferentes tipos de vertebrados que existen y poder estudiarlos de una forma motivadora y sintetizada.
vertebrata
Vertebrata animals have a spine and circulatory system centered around the heart. They are classified into several classes based on characteristics like environment, temperature regulation, locomotion and reproduction. The classes discussed are Pisces (fish), Amphibia (amphibians), Reptilia (reptiles), Aves (birds) and Mammalia (mammals). Each class has distinct traits like use of gills, lungs or skin to breathe; cold or warm-blooded temperature regulation; and live birth or egg laying reproduction.
Diversity Of Fish And Amphibians
The document discusses the diversity of chordates and vertebrates. It covers the four key characteristics of vertebrates, including having a notochord, hollow nerve cord, pharyngeal slits, and a tail that extends beyond the anus. It then describes the major groups of fish, including sharks, rays, bony fish, lobe-finned fish, and lungfish. Finally, it discusses the three orders of amphibians: frogs and toads, salamanders and newts, and caecilians.
phylum Chordata
This document provides an overview of the phylum Chordata, which includes animals with a notochord, dorsal nerve cord, pharynx with gill slits, and postanal tail at some point in their lifecycle. It describes the three subphyla: Urochordata (tunicates), Cephalochordata (lancelets), and Vertebrata (jawless and jawed fish, amphibians, reptiles, birds, and mammals). Key characteristics and examples are given for each class within these groups.
animalkingdom
The document classifies and describes different types of animals. It divides animals into invertebrates, which lack backbones, and vertebrates, which have backbones. Invertebrates include protozoa, annelids, arthropods like insects and crustaceans, echinoderms, and mollusks. Vertebrates include fish, amphibians, reptiles, birds, mammals, and primates like humans. Within these groups it describes characteristics of common animals such as starfish, earthworms, spiders, whales, and mice.
Phylum porifera
Assalam Alikum! here is the presentationn of PHYLUM PORIFERA. prepared to benefit you guys. material in slides is authentic 100%. Once you read the slides you will say ''OMG its soooooooo awesom dude!!''
JazakAllah!!
Unit 25 Vertebrates
All vertebrates share four key characteristics - a notochord, hollow nerve cord, pharyngeal slits, and tail - at some stage of development. While most lose these traits as adults, they define the phylum Chordata. Vertebrates evolved internal skeletons allowing them to grow larger and more complex, with jaws developing from gill arches, giving them predatory advantages. Major vertebrate groups include fish, amphibians, reptiles, birds and mammals.
Frog metamorphosis
Frogs undergo a process called metamorphosis from egg to adult. Metamorphosis is regulated by hormones and allows the frog to transition from an aquatic tadpole with gills and tail to a terrestrial adult with lungs and legs. The life cycle begins with an egg that hatches into an embryo with forming organs; it then emerges as a tadpole that lives in water and feeds on algae. Over several weeks, limbs grow and organs like lungs develop as the tadpole transforms into a froglet. Finally, after 11 weeks, a fully developed frog with lungs and legs emerges from the water to live on land.
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Life history of frog
- 2. Frogs are amphibians that belong to a group called vertebrates. The word amphibian comes from a Greek word that means "two lives." Amphibians are cold - blooded. Their skin absorbs water into their body so they don't have to drink water in order to survive. Frogs have very strong legs for leaping great distances.