Question

Чем отличаются круглые черви от плоских? В чем сходство плоских и круглых червей

Answer 1

Круглые больше и шире,плоские меньше и тоньше.Поские черви обитают снаружи,а круглые в почве

Answer 2

Сходство-имеют вытянутое тело,передний и задний конец,и голову,еще они трехслойные 

Answer 3

Difference Between Roundworms and Flatworms

Roundworms and flatworms are two distinct types of worms with several differences and similarities.

1. Differences: - Body Shape: Roundworms have a cylindrical body shape, while flatworms have a flattened body shape. - Digestive System: Roundworms have a complete digestive system, including a mouth and an anus, while flatworms have a more primitive digestive system with a single opening that serves as both the mouth and the anus. - Size: Roundworms are typically larger, ranging from 300 to 3000 micrometers, while flatworms are smaller, ranging from 400 to 500 micrometers. - Body Cavity: Roundworms have a pseudocoelom, a fluid-filled body cavity, while flatworms lack a body cavity.

2. Similarities: - Both are Worms: Both roundworms and flatworms belong to the category of worms, and they are both part of the animal kingdom. - Parasitic Nature: Some species of both roundworms and flatworms are parasitic, meaning they live off other organisms.

In summary, roundworms and flatworms differ in body shape, digestive system, size, and body cavity, but they share similarities as worms and some species being parasitic.