Question

How external fertilisation takes place in aquatic animals ( frog, Fish etc )

Answer 1

Answer:

External fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water. After the sperm reaches the egg, fertilization can then take place.

Explanation:

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Answer 2

ᴇxᴛᴇʀɴᴀʟ ғᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ ᴜsᴜᴀʟʟʏ ᴏᴄᴄᴜʀs ɪɴ ᴀǫᴜᴀᴛɪᴄ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛs ᴡʜᴇʀᴇ ʙᴏᴛʜ ᴇɢɢs ᴀɴᴅ sᴘᴇʀᴍ ᴀʀᴇ ʀᴇʟᴇᴀsᴇᴅ ɪɴᴛᴏ ᴛʜᴇ ᴡᴀᴛᴇʀ. ᴀғᴛᴇʀ ᴛʜᴇ sᴘᴇʀᴍ ʀᴇᴀᴄʜᴇs ᴛʜᴇ ᴇɢɢ, ғᴇʀᴛɪʟɪᴢᴀᴛɪᴏɴ ᴄᴀɴ ᴛʜᴇɴ ᴛᴀᴋᴇ ᴘʟᴀᴄᴇ