Question

Чем отличаются пауки от насекомых

Answer 1

Отличие пауков от насекомых
Количество видов насекомых превышает количество видов пауков.
У пауков 8 ног, у насекомых – 6.
Тело пауков состоит из двух отделов, у насекомых – из трех.
Только пауки способны производить паутину.
Пауки вырабатывают яд, который предназначен для внешнего пищеварения.
Жизненный цикл насекомых проходит с превращениями – метаморфизмом, у пауков такое явление отсутствует.
Нервная система, поведение и коммуникация насекомых организованы намного сложнее, чем у пауков.

Answer 2

Но ,ведь многие пауки живут не в естественных условиях.

Answer 3

Differences Between Spiders and Insects

Spiders and insects are both members of the animal kingdom, but they belong to different classes. Here are some key differences between spiders and insects:

1. Body Structure: Spiders have two main body parts, the cephalothorax (head and thorax fused together) and the abdomen. Insects, on the other hand, have three main body parts: the head, thorax, and abdomen.

2. Number of Legs: Spiders have eight legs, while insects typically have six legs.

3. Wings: Most insects have wings, which allow them to fly. Spiders, however, do not have wings and are unable to fly.

4. Antennae: Insects have antennae, which are sensory organs located on their heads. Spiders do not have antennae.

5. Respiration: Insects have a specialized respiratory system that allows them to breathe through tiny tubes called tracheae. Spiders, on the other hand, have book lungs or tracheae for respiration.

6. Reproduction: Spiders reproduce by laying eggs, while some insects undergo complete metamorphosis, including egg, larva, pupa, and adult stages.

7. Predatory Behavior: Spiders are generally carnivorous and use their venomous fangs to capture and immobilize their prey. Insects have a wide range of feeding habits, including herbivorous, carnivorous, and omnivorous diets.

8. Silk Production: Spiders are known for their ability to produce silk, which they use to build webs, create egg sacs, and for other purposes. Insects do not produce silk.

It's important to note that while these differences generally apply to most spiders and insects, there are exceptions and variations within each group.