Question

Сравнение скелета ящерицы и скелета лягушки.

Answer 1

У лягушки нет рёбер, но есть уростиль - хвостовая кость, скелета хвоста нет.

Answer 2

Comparison of Lizard and Frog Skeletons

When comparing the skeletons of lizards and frogs, there are several key differences to consider. Here is a detailed comparison:

1. Skull Structure: - Lizard Skull: Lizards have a more elongated skull with a distinct snout. Their skulls are generally more robust and have a larger braincase. - Frog Skull: Frogs have a flatter and wider skull. Their skulls are relatively smaller and less robust compared to lizards.

2. Vertebral Column: - Lizard Vertebral Column: Lizards have a flexible vertebral column that allows for a wide range of movement. Their vertebral column consists of cervical, thoracic, lumbar, sacral, and caudal vertebrae. - Frog Vertebral Column: Frogs also have a flexible vertebral column, but it is more specialized for jumping and swimming. Their vertebral column consists of cervical, trunk, sacral, and urostyle vertebrae.

3. Limbs and Girdles: - Lizard Limbs and Girdles: Lizards have well-developed limbs and girdles. They typically have four limbs with five toes on each foot. The forelimbs and hindlimbs are similar in structure and function. - Frog Limbs and Girdles: Frogs have specialized limbs and girdles adapted for jumping and swimming. They have strong hindlimbs for jumping and webbed feet for swimming. The forelimbs are shorter and less developed compared to the hindlimbs.

4. Rib Structure: - Lizard Ribs: Lizards have well-developed ribs that provide support and protection for their internal organs. The ribs are attached to the vertebral column and form a protective cage around the chest cavity. - Frog Ribs: Frogs have relatively shorter and less developed ribs. Their ribs are not as prominent and do not form a complete cage around the chest cavity.

5. Tail Structure: - Lizard Tail: Many lizard species have a long and well-developed tail. The tail serves various functions, including balance, defense, and communication. - Frog Tail: Adult frogs typically have a short and stubby tail. However, during the tadpole stage, frogs have a long tail that aids in swimming.

Please note that the information provided above is based on general characteristics of lizard and frog skeletons. There may be variations within different species of lizards and frogs.