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How do frogs have tadpoles?
Frogs lay eggs that hatch into tadpoles. Tadpoles develop externally in water before undergoing metamorphosis into adult frogs. This process allows frogs to have an aquatic larval stage before transitioning to a semi-aquatic or terrestrial adult form.
Why is a frog an example of incomplete metamorphosis?
Because standard metamorphosis includes a pupal phase. But frogs do not have a larval stage, only a larval and adult.
What types of organisms belong to the order Anura?
The order Anura comprises frogs and toads, which are characterized by their lack of a tail and generally moist, glandular skin. They are known for their jumping ability and unique life cycles that typically include an aquatic larval stage.
Which are two aquatic animals that breathe through lungs?
Fish, some crustaceans, and amphibians (only in the larval stage, e.g. tadpoles).
Do reptiles have a larval stage?
No, reptiles do not have a larval stage. Unlike some amphibians and insects, reptiles hatch from eggs in a form that resembles miniature adults. They do not undergo metamorphosis like amphibians that have larval stages such as tadpoles.
How do you spell tadpole?
That is the correct spelling of tadpole, the aquatic larval stage of frogs.
Do tadpole need oxygen?
Yes, tadpoles need oxygen to survive. They obtain oxygen through their gills while they are in the aquatic larval stage. As they metamorphose into frogs, they develop lungs and transition to breathing air. Adequate oxygen levels in their environment are essential for their growth and development.
Do dragonflies need water to live?
Yes, their larval stage is entirely aquatic.
What is the intermediate stage between eggs and frogs?
The egg of the frog is called the embryonic stage and the little frogs are the juveniles, the intermediate state is called the larval stage. In frogs, they are more specifically called froglet or toadlets.
How do frogs have tadpoles?
Frogs lay eggs that hatch into tadpoles. Tadpoles develop externally in water before undergoing metamorphosis into adult frogs. This process allows frogs to have an aquatic larval stage before transitioning to a semi-aquatic or terrestrial adult form.
What is the function of a frogs gills?
Frog gills, primarily present in their larval stage as tadpoles, serve the function of extracting oxygen from water for respiration. These gills allow tadpoles to breathe underwater, facilitating their growth and development. As frogs mature and undergo metamorphosis, they lose their gills and develop lungs for breathing air. Thus, frog gills are crucial for the aquatic life stage of the amphibian's life cycle.
Why is a frog an example of incomplete metamorphosis?
Because standard metamorphosis includes a pupal phase. But frogs do not have a larval stage, only a larval and adult.
Does a polliwog swim?
Yes, a polliwog, which is the larval stage of a frog or toad, swims using its tail. At this stage, they have gills for breathing underwater and are fully aquatic. As they mature into adult frogs, they undergo metamorphosis, developing lungs and legs, which allows them to transition to a terrestrial lifestyle.
Do dwarf African frogs go on land when there in there last stage of there lives?
No, they are fully aquatic frogs.
What are the disnict sturctures of amphibians?
They have a permeable skin, they all have a larval stage with a tail and except frogs the tail remains in the adult stage.
Are frogs gestation or incubation?
Frogs do not have gestation or incubation in the same way that mammals do. Instead, frogs typically lay eggs in water, where fertilization occurs externally. The eggs then develop into tadpoles, which undergo metamorphosis into adult frogs. This process does not involve gestation; rather, it is a direct development from egg to larval stage.
What types of organisms belong to the order Anura?
The order Anura comprises frogs and toads, which are characterized by their lack of a tail and generally moist, glandular skin. They are known for their jumping ability and unique life cycles that typically include an aquatic larval stage.
