Question

compare pisces and aves on basis of their habitat, covering of skin, respiratory organs, chambers of heart and reproduction

Answer 1

❤☜☆☞☜☆☞PISCES☜☆☞☜☆☞❤
1)these are aquatic organism, it can be both marine as well as fresh water.
2)They have tough skin, which covered either by placoid or cycliod scales.
3)they respire through gills
4)heart is 2 chambered.
5)fertilization can be internal or external.

❤☜☆☞☜☆☞AVES☜☆☞☜☆☞❤
1)They are aerial organisms except (ostrich).
2)their skin is covered by feathers.
3)they respireby their lungs.
4)they have 4 chambered heart.
5)fertilization is internal only.

hopes it helps uh! ❤

Answer 2

✌️✌️ hey mate,

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➡️ᴄʜᴀʀᴀᴄᴛᴇʀɪsᴛɪᴄs ᴏғ ᴄʟᴀss ᴀᴠᴇs:

1⃣. ᴛʜᴇ ᴍᴇᴍʙᴇʀs ᴏғ ᴄʟᴀss ᴀᴠᴇs 
ᴀʀᴇ ᴄᴏᴍᴍᴏɴʟʏ ᴋɴᴏᴡɴ ᴀs ʙɪʀᴅs. 

2⃣. ᴛʜᴇɪʀ sᴋɪɴ ɪs ᴄᴏᴠᴇʀᴇᴅ ᴡɪᴛʜ
 ғᴇᴀᴛʜᴇʀs.

3⃣. ᴛʜᴇʏ ʙʀᴇᴀᴛʜ ᴡɪᴛʜ ᴛʜᴇɪʀ 
ᴍᴏᴜᴛʜ ᴏʀ ɴᴏsᴛʀɪʟs.

4⃣. ᴛʜᴇʏ ʜᴀᴠᴇ ғᴏᴜʀᴄʜᴀᴍʙᴇʀᴇᴅ 
ʜᴇᴀʀᴛ ᴀɴᴅ ᴇxʜɪʙɪᴛ ʜɪɢʜ ᴍᴇᴛᴀʙᴏʟɪᴄ
ʀᴀᴛᴇ.

➡️ᴄʜᴀʀᴀᴄᴛᴇʀɪsᴛɪᴄs ᴏғ ᴄʟᴀss ᴘɪsᴄᴇs:

1⃣. ᴛʜɪs ᴄʟᴀss ɪɴᴄʟᴜᴅᴇ ᴡᴀᴛᴇʀ 
ᴀɴɪᴍᴀʟs ᴍᴀɪɴʟʏ ғɪsʜᴇs. 

2⃣. ᴛʜᴇɪʀ sᴋɪɴ ɪs ᴄᴏᴠᴇʀᴇᴅ
 ᴡɪᴛʜ sᴄᴀʟᴇs.

3⃣. ᴛʜᴇʏ ʀᴇsᴘɪʀᴇ ᴡɪᴛʜ ᴛʜᴇ ʜᴇʟᴘ ᴏғ 
ɢɪʟʟs.

4⃣. ᴛʜᴇʏ ʜᴀᴠᴇ ᴛᴡᴏ ᴄʜᴀᴍʙᴇʀᴇᴅ ʜᴇᴀʀᴛ 
ᴀɴᴅ sɪɴɢʟᴇ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ᴏғ ʙʟᴏᴏᴅ.
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thanks....