Question

write any 10 important points of phylum:Aschelminthes ​

Answer 1

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• Gʀ. Asᴋᴏs: ᴄᴀᴠɪᴛʏ; ʜᴇʟᴍɪɴs: ᴡᴏʀᴍs. Nᴇᴍᴀ: ᴛʜʀᴇᴀᴅ, ʜᴇʟᴍɪɴs: ᴡᴏʀᴍs

• Hᴀʙɪᴛᴀᴛ: Tʜᴇʏ ᴀʀᴇ ᴍᴀʀɪɴᴇ ᴏʀ ғʀᴇsʜᴡᴀᴛᴇʀ ᴀɴɪᴍᴀʟ.

• Hᴀʙɪᴛ: Tʜᴇʏ ᴀʀᴇ ᴇɴᴅᴏᴘᴀʀᴀsɪᴛᴇ.

• Cᴏᴇʟᴏᴍ: Psᴇᴜᴅᴏᴄᴏᴇʟᴏᴍᴀᴛᴇ ᴡʜɪᴄʜ ᴍᴇᴀɴs ᴛʜᴇʏ ʜᴀᴠᴇ ᴀ ᴄᴀᴠɪᴛʏ ᴄᴀʟʟᴇᴅ ᴘsᴇᴜᴅᴏᴄᴏᴇʟ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ɢᴜᴛ ᴀɴᴅ ʙᴏᴅʏ ᴡᴀʟʟ.

• Sʏᴍᴍᴇᴛʀʏ: ʙɪʟᴀᴛᴇʀᴀʟ

• Gᴇʀᴍ ʟᴀʏᴇʀ; ᴛʀɪᴘʟᴏʙʟᴀsᴛɪᴄ

• Gʀᴀᴅᴇ ᴏғ ᴏʀɢᴀɴɪᴢᴀᴛɪᴏɴ: Oʀɢᴀɴ sʏsᴛᴇᴍ ɢʀᴀᴅᴇ
• Tʜᴇʏ ᴀʀᴇ ɴᴏɴ-sᴇɢᴍᴇɴᴛᴇᴅ ʀᴏᴜɴᴅ ᴡᴏʀᴍ.
• Tʜᴇɪʀ ʙᴏᴅʏ ɪs ᴄᴏᴠᴇʀᴇᴅ ᴡɪᴛʜ ᴄᴜᴛɪᴄʟᴇ.

• Dɪɢᴇsᴛɪᴠᴇ sʏsᴛᴇᴍ: sɪᴍᴘʟᴇ ᴛʏᴘᴇ
• Tʜᴇ ᴍᴏᴜᴛʜ ɪs ᴘʀᴏᴠɪᴅᴇᴅ ᴡɪᴛʜ ʜᴏᴏᴋs ᴀɴᴅ sᴜᴄᴋᴇʀs

• Rᴇsᴘɪʀᴀᴛᴏʀʏ sʏsᴛᴇᴍ: Aʙsᴇɴᴛ

• Cɪʀᴄᴜʟᴀᴛᴏʀʏ sʏsᴛᴇᴍ: Aʙsᴇɴᴛ

• Nᴇʀᴠᴏᴜs sʏsᴛᴇᴍ: ᴘᴏᴏʀʟʏ ᴅᴇᴠᴇʟᴏᴘᴇᴅ

• Exᴄʀᴇᴛᴏʀʏ sʏsᴛᴇᴍ: Pʀᴏᴛᴏɴᴇᴘʜʀɪᴅɪᴀ ᴀɴᴅ ᴄᴀɴᴀʟs
• Tʜᴇʏ ᴀʀᴇ ᴜɴɪsᴇxᴜᴀʟ ᴏʀ ᴅɪᴏᴇᴄɪᴏᴜs ᴀɴɪᴍᴀʟs

• Rᴇᴘʀᴏᴅᴜᴄᴛɪᴏɴ: sᴇxᴜᴀʟ ʙʏ ɢᴀᴍᴀᴛɪᴄ ғᴜsɪᴏɴ

• Fᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ: ɪɴᴛᴇʀɴᴀʟ

Explanation:

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Answer 2

Answer:

They are mostly aquatic, free-living or parasitic.

They are bilaterally symmetrical, unsegmented worms.

The body is slender, vermiform and usually worm-like or flattened.

They are usually small, even microscopic, while some reach a meter or more in length.

They are triploblastic and pseudocoelomate with organ system grade of body organization.

Body wall with a syncytial or cellular epidermis, externally covered with the thick cuticle of scleroprotein.

Cilia are absent except anterior cilia of rotifers.

Muscles include mostly longitudinal fibers.

The digestive canal is straight and complete with a mouth, straight non-muscular intestine, and anus, pharynx muscular and highly specialized.

Respiratory and circulatory systems are absent.