Amphibians

Yes, amphibians have permeable skin that allows for the exchange of gases and water, making them more susceptible to absorbing pollutants and chemicals from their surroundings. This sensitivity makes them good bioindicators for environmental health.

All amphibians have a life stage that occurs in water. They do not need to live in water. For example, toads come from eggs laid in water that turn to tadpoles and the tadpoles develop into toads that live almost exclusively on land.

1) When they are juveniles, they are in an aquatic larval or 'tadpole' stage that need water to breathe thru their primitive gills. 2) Amphibians have smooth, scaleless skin which is permeable to water. Water can evaporate easily from the skin, and an amphibian can dry up and die in a few hours if it does not have access to water. Thus amphibians tend to be active at times when evaporation is minimized: at night and when it rains.However, this same skin permeability makes it possible for amphibians to obtain moisture from sources besides pools of water. This means that amphibians can live in very dry climates, like deserts, and when the dry season arrives, they just burrow underground and pull in moisture from the surrounding soil. Despite this, the amphibian's tie to water remains: their eggs must be laid in water in order to survive. Reference: http://redpath-museum.mcgill.ca/Qbp/herps/herps.html

Yes, axolotls are part of the food chain as they are a predator to smaller organisms like insects, small fish, and larvae. They may also serve as prey to larger animals like birds, fish, and mammals.

During hot dry weather, amphibians tend to become more inactive to conserve moisture and avoid dehydration. They may seek shelter in cool, damp areas or burrow underground to escape the heat and reduce water loss through their skin. This behavior helps them survive until conditions become more favorable for activity.

Most camouflaged frogs are nocturnal and therefore sleep during the day. Those frogs that don't need to camouflage themselves to avoid predators are diurnal, meaning they sleep at night and hunt during the day.

No, Mexican axolotls are generally mute and do not make vocalizations or sounds. They primarily rely on their vision, smell, and tactile senses to navigate their environment and communicate with other axolotls.

True. Amphibians have permeable skin that can absorb chemicals, so they are very sensitive to changes in their environment, particularly water quality. This makes them susceptible to pollutants and changes in their habitat.

are found on land, so they do not have a moist environment to keep them from drying out, and have a leather shell, instead of a hard shell. hard shells are better at keeping water and liquids in, while leather shells are not

No, they did not.

The scientific name for animals that can live both on land and in water is "amphibians." They include frogs, toads, salamanders, and newts. Amphibians typically have moist skin and undergo metamorphosis during their life cycle.

The axolotl is in the vertebrate classification of amphibians.

Not all amphibians require dry habitats for breeding. Some species, like many frogs, lay their eggs in water, while others, like salamanders, may lay their eggs in damp or moist environments. Each species has unique breeding requirements based on its environmental adaptations.

• Frogs, toads, newts and salamanders are amphibians.
• Amphibians are cold-blooded.
• Amphibians spend part of their lives under water and

  part of their lives on land.

• They lay jelly-covered eggs in the water.
• Amphibians breathe with gills or lungs or through their skin.
• Baby amphibians live in water and breathe with gills.
• An amphibian's skin is moist. (They do NOT have scales.)
• Amphibians are vertebrates -- they have backbones.
• Most amphibians live in or near water or in damp places.

The skin of an amphibian is thin, moist, and permeable, allowing for the exchange of gases and liquids. It lacks scales or feathers and is covered in mucous glands that help keep the skin moist and aid in respiration. The skin also plays a role in thermoregulation and can secrete toxins for defense against predators.

Amphibians come from the animal kingdom, Kinddom Animalia.

When the babies are born the mother picks them up with her mouth and carries them to the river or other body of water. When she gets to the river she will release her young and hope for the best.

Some species like the Salty take parental care a step higher. Salties will crack open the unhatched eggs with their teeth, releasing the babies. They will also guard the babies for three or so months.

Respiration of an amphibian varies, especailly on what stage in it's developemen it is. For a frog in its tadpole stage it uses gills as a fish would. When it matures it has lungs to take in oxygen. Some amphibians are able to realse carbon dioxide into water through their skins in a process known as cutaneous (may be spelled wrong).

Amphibians are not considered true land animals because they require moist environments for breeding and are highly dependent on water for their survival. They have permeable skin that needs to stay moist to allow for gas exchange. Unlike true land animals, amphibians need to stay close to water sources in order to reproduce and regulate their body temperature.

4 legs. (think about frogs, toads and newts)

Amphibians have a double circulation system, consisting of a pulmocutaneous circuit that deals with gas exchange in the lungs and skin, and a systemic circuit that supplies oxygenated blood to body tissues. This allows for efficient separation of oxygen-rich and oxygen-poor blood.

That depends on the species, most amfibians have eggs with a diameter of approximately 5 tot 8 millimeter, the gelly-like scale excluded. This layer makes up the biggest part of the egg. Some species have no eggs at all, the young are born 'alive'.

Amphibians have a relatively simple nervous system compared to mammals and birds. They possess a central nervous system composed of a brain and spinal cord, as well as peripheral nerves that transmit information throughout the body. Their nervous system allows for basic behaviors such as movement, feeding, and responses to environmental stimuli.