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Frogs are amphibians without tails, adults have no tails, eggs are laid in water, frogs use their lungs to breathe, but they can also absorb oxygen from the air through moist **. The various pigment cells in it** will also spread or contract with the high and low humidity and temperature, resulting in a change in skin tone. Frogs usually inhabit the grass along rice paddies, ponds, ditches or rivers, and sometimes lurk in the water.
It is generally nocturnal predators. The larvae of the frog Tadpole Respiratory organs: gills The eyes and face of the frog are closed:
From the bottom to the top The base of the frog's tongue is in his mouth: At the front of the mouth The frog's tongue is structured: The frog's tongue is at the base of the tongue outside, the tip of the tongue is inward, and there is mucus on the tongue to catch insects.
Frogs have four toes on their front feet and five on their hind feet, as well as webbed . On either side of the frog's head are two small bags that bulge slightly. That is its eardrum through which the frog can hear sounds.
The frog's back is green, smooth, soft, and patterned, and its belly is white. You can hide it in the grass, make it easier to catch pests, and you can also protect yourself. It's also helps it breathe.
Its air sacs are only available to male frogs. Frogs prey on their tongues, which have mucus . Frogs are oviparous and the eggs hatch into tadpoles and only then become frogs.
The body of the frog is divided into three parts: head, torso , and limbs, which are smooth. The aspect of locoprenation is: swimming, jumping, and predating with the tongue.
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Hello, frogs are amphibians, their larvae (tadpoles) live in water and breathe with their gills; Adult frogs breathe with lungs and **, and adults can live both in water and on land. For example, frogs, toads, salamanders, giant salamanders, etc. are all amphibians.
Hope mine is helpful to you.
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Frogs belong to the phylum Chordates.
Amphibians, anceridae, and frog family amphibians, adults without tails, eggs laid in water, fertilized in vitro, hatched into tadpoles, respiration with gills, after mutation, adults mainly use lung respiration, and also use ** breathing.
The vast majority of frogs reproduce through in vitro fertilization, and the fertilized eggs hatch into tadpoles outside the mother's body. Globally, only 10 to 12 species of frogs have evolved to fertilize in vivo, and some of them will release fertilized eggs from their bodies to hatch into tadpoles. But frogs are zoological to refer specifically to the black spotted lateral fold frog.
Frogs have always been considered oviparous.
However, scientists have found that one lives in Indonesia.
Frogs in the rainforests of Sulawesi are able to give birth to tadpoles.
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Frogs belong to the amphibians of the phylum Chordates, amphibians, tailless, frogs, adults without tails, eggs laid in water, fertilization in vitro, hatching into tadpoles, respiration with gills, after mutation, adults mainly use lungs to breathe, and also use ** breathing.
The upper jaw has teeth, usually vomer teeth. shoulder girdle fixed thoracic type, vertebral body uneven type, recommended vertebral transverse process columnar; There is no intermediated cartilage between the two bone nodes at the end of the toes. The tympanic membrane is distinctly hidden under the skin,** smooth or with wart grains. The tongue is generally oblong, and the posterior end is mostly notched.
Frogs need to hibernate. Generally in late autumn, as the temperature gradually drops, frogs will hibernate at the bottom of the water or in their burrows, and will only wake up in the spring when it warms. The reason why hibernation is needed is because of the lack of food in winter, and at the same time, one's own activities are also affected. >>>More
Preparation of materials Tool: 1 piece of colored paper.
1. Take any piece of paper and fold the upper two corners to the middle. First, fold the top right corner in half to align with the bottom left. Fold the top left corner in the same way. >>>More
The frog effect is when a frog is thrown into boiling water, and when it feels great pain, it kicks hard and jumps out of the water to get a chance to survive. When a frog is placed in a basin of warm water and gradually heated, the frog has gradually adapted to the pleasant temperature of the water, so when the temperature has risen to a certain level, the frog no longer has the strength to jump out of the water. So the frog was scalded to death in comfort. >>>More
The frog sells mud ponds and tells us that when facing difficulties, we must change the original bad state through our own practice, and we must use our own hands and minds to solve problems. At the same time, this story also teaches us that we should be good at listening to the suggestions of others, brainstorming, and constantly improving the current situation.
The frog is an amphibian, and his close relative is the toad. >>>More