Stromatolites Are

question 38

Multiple Choice

Stromatolites are

• A) fossils of the first organisms to introduce oxygen into the atmosphere
• B) fossils of the first multicellular organisms
• C) layers of sediment that once contained colonies of ancient microbes
• D) fossils of the first eukaryotes

---

Definitions:

Symbolic Play

A play pattern where children use objects, actions, or ideas to represent other objects, actions, or ideas, showing the development of abstract thinking.

Functional Play

Play that involves simple, repetitive activities typical of toddlers, which are crucial for their motor development and understanding of the world.

Formal Games

Structured activities with set rules and objectives, often involving competition or cooperation.

Dramatic Play

A type of play where children adopt roles and act out stories or scenarios, helping with emotional and social development.