Question

Чем отличается Актиния от Гидры?

Answer 1

Морское животное класса коралловых полипов с щупальцами для захвата пищи.


А гидраМелкое животное, пресноводный полип со щупальцами вокруг рта.
То есть , актиния морское животное и обретает в океане и морях , а гидра в реках

Answer 2

Difference Between Actinia and Hydra

Actinia and Hydra are both aquatic organisms belonging to the phylum Cnidaria, but they have several differences.

Actinia: - Actinia is a genus of sea anemones. - They are solitary animals and do not form colonies. - Actinia has a cylindrical body with tentacles surrounding the mouth. - They are found in marine environments, attached to rocks or other substrates. - Actinia captures prey using its stinging tentacles and consumes small fish and invertebrates. - The reproduction in Actinia can occur through asexual reproduction by budding or sexual reproduction by releasing eggs and sperm into the water for external fertilization.

Hydra: - Hydra is a genus of freshwater organisms belonging to the class Hydrozoa. - They are colonial animals and can form colonies by asexual reproduction. - Hydra has a tubular body with tentacles surrounding the mouth. - They are found in freshwater habitats such as ponds, lakes, and streams. - Hydra captures prey using its stinging tentacles and consumes small aquatic organisms. - The reproduction in Hydra primarily occurs through asexual reproduction by budding, where new individuals grow as outgrowths from the body of the parent organism.

In summary, the key differences between Actinia and Hydra lie in their habitat, reproductive methods, and whether they are solitary or colonial organisms.

Would you like to know more about these fascinating organisms?