Question

Як визначити тип симетрії тіла в тварини ? Наведіть приклади асиметрії в тваринному царстві

Answer 1

Є 2 типи семетрій тіла Радіальна та Двобічна . Радіальна симетрія коли у тварини кінцівки по середині . Двобічна симетрія коли тварина має подібні кінцівки як на іншій частині тіла...

Пояснення:

Answer 2

Determining the Type of Symmetry in Animals

Determining the type of symmetry in an animal involves observing its body structure and identifying any patterns or arrangements that exhibit symmetry. There are three main types of symmetry found in animals: radial symmetry, bilateral symmetry, and asymmetry.

1. Radial Symmetry: Animals with radial symmetry have body parts arranged around a central axis, like the spokes of a wheel. This type of symmetry allows the animal to be divided into multiple identical halves by any plane passing through the central axis. Examples of animals with radial symmetry include jellyfish, sea anemones, and starfish.

2. Bilateral Symmetry: Animals with bilateral symmetry have a distinct left and right side that are mirror images of each other. The body can be divided into two equal halves along a single plane, called the sagittal plane. This type of symmetry is common in animals that have a distinct front and back, such as insects, mammals, and reptiles.

3. Asymmetry: Asymmetry refers to the absence of any symmetry in an animal's body structure. These animals do not have a specific plane of symmetry and lack any regular pattern or arrangement. Examples of animals with asymmetry include sponges and some types of sea slugs.

Examples of Asymmetry in the Animal Kingdom

1. Sponges: Sponges are simple aquatic animals that lack any symmetry. They have irregular shapes and lack a distinct front or back. Their body structure consists of a porous network of cells that allow water to flow through them.

2. Sea Slugs: Some species of sea slugs, such as the nudibranchs, exhibit asymmetry. These colorful marine creatures have a variety of shapes and patterns, but they lack any specific symmetry in their body structure.

3. Crabs: While most crabs exhibit bilateral symmetry, there are some exceptions. For example, the fiddler crab has one claw that is significantly larger than the other, resulting in asymmetry.

4. Flatfish: Flatfish, such as flounders and sole, are known for their unique body structure. As adults, they have both eyes on one side of their body, which gives them a distinct asymmetrical appearance.

5. Octopuses: Octopuses have a soft body and lack any distinct symmetry. They have a bulbous head, eight arms, and a beak-like mouth. Their body structure allows them to squeeze through tight spaces and camouflage themselves in their surroundings.

These are just a few examples of asymmetry in the animal kingdom. Asymmetry can be found in various groups of animals and is often associated with specific adaptations or lifestyles.