Question

Изи вопросы биологии даю 40 баллов 1. Признак, характерный только для Членистоногих, — наличие: кровеносной системы двусторонней симметрии хитинового покрова тела мантийной полости и мантии 2. Признак, характерный только для Членистоногих, — наличие: мантийной полости нервной системы покрова тела, пропитанного хитином двусторонней симметрии 3. Признак, характерный только для Членистоногих, — наличие: дыхательной системы мантийной полости покрова тела, пропитанного хитином двусторонней симметрии 4. Признак, характерный только для Членистоногих, — наличие: дыхательной системы членистых конечностей мантийной полости двусторонней симметрии

Answer 1

Ответ:

1.Хитинового покрова тела.

2.Покрова тела, пропитанного хитином.

3Покрова тело, пропитанного хитином.

4.членистых конечностей.

Answer 2

Characteristics of Arthropods

Arthropods are a diverse group of invertebrate animals that include insects, spiders, crustaceans, and other related organisms. They are characterized by several distinctive features. Let's go through each of the given statements and discuss whether they are true or false.

1. Presence of a double-sided symmetrical circulatory system, chitinous body covering, and a mantle cavity: This statement is partially true. Arthropods do have a double-sided symmetrical circulatory system, which is known as an open circulatory system. However, the chitinous body covering and mantle cavity are not exclusive to arthropods. Chitinous exoskeletons are also found in other invertebrates like mollusks, and mantle cavities are specific to mollusks.

2. Presence of a nervous system with a chitinous body covering and a double-sided symmetrical circulatory system: This statement is false. Arthropods do have a nervous system, but it is not characterized by a chitinous body covering. The chitinous exoskeleton primarily serves as a protective outer covering for the arthropod's body.

3. Presence of a respiratory system within the mantle cavity, which is lined with a chitinous body covering and has a double-sided symmetrical circulatory system: This statement is false. Arthropods do not have a respiratory system within the mantle cavity. Instead, they have a variety of respiratory organs, such as gills, tracheae, or book lungs, depending on the specific group of arthropods.

4. Presence of a respiratory system within the mantle cavity of the limbs, which are lined with a chitinous body covering and have a double-sided symmetrical circulatory system: This statement is false. Arthropods do not have a respiratory system within the limbs. Instead, they have specialized respiratory structures located in various parts of their bodies, such as gills in aquatic arthropods or tracheae in insects.

In summary, while arthropods do possess certain characteristic features like a double-sided symmetrical circulatory system and a chitinous exoskeleton, the statements provided in the question are not entirely accurate. It is important to ensure the accuracy of information when discussing biological concepts.

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