an ecofact is an object, found at an archaeological site and carrying archaeological significance, but previously unhanded by humans.

Gymnosperms are the ancient surviving seed producing plants. They have been around since the dinosaurs. White ferns and liverworts are even older, but they use spores to reproduce instead of seeds.

Yes, adobe brick fragments can be considered ecofacts since they are man-made objects that have been altered by human activity and can provide insights into past human behavior and practices. These fragments can reveal information about architectural techniques, building materials, and cultural practices of the society that created them.

A natural object found in artifacts could be something like a shell, bone, or feather that was used for various purposes by ancient civilizations, such as tools, jewelry, or decoration. These objects provide insight into the natural resources available to people in the past and how they were creatively used in their daily lives.

Artifacts are human-made objects, tools, or structures that have historical or cultural significance, while ecofacts are natural objects or remains found in archaeological sites that provide information about the environment and natural resources used by past societies. Essentially, artifacts are items created by humans, while ecofacts are natural materials impacted by human activity.