# data[].attributes.headline
Une animation pour comprendre le métamorphisme

# data[].attributes.subject
Une animation pour comprendre le métamorphisme

# data[].attributes.attachment_link.readable_text
Classzone.com has been retired and is no longer accessible. Because of the age of this application, the programs supported by this platform are not able to benefit from the technological improvements in accessibility, security, and HMTL5 (non-Flash) that we have incorporated into our newer programs and platforms in recent years.
Learn more about HMH's newest classroom solutions.
If you want to retrieve your user data from the platform that is no longer accessible, please contact techsupport@hmhco.com or 800.323.9239 and let us know that you're contacting us about user data extraction from Classzone.com.

Please note, user data extraction does not include program content.

# data[].attributes.attachment_link.description
Classzone.com has been retired and is no longer accessible. Because of the age of this application, the programs supported by this platform are not able to benefit from the technological improvements in accessibility, security, and HMTL5 (non-Flash) that we have incorporated into our newer programs and platforms in recent years.