What kind of fossil is this?
It's an IMPRINT.
Name TWO RENEWABLE ENERGY sources.
Solar, wind, hydropower, biomass, geothermal, etc.
What are these called?
ROCK LAYERS.
What does ENDANGERED mean?
It means a species is IN DANGER (at risk) of going EXTINCT (dying out.)
What's a MARINE ORGANISM?
A living thing in an ocean environment.
What is a CAST?
It's a fossil mold filled with sediment.
What does EXTINCT mean?
It means all the members of a SPECIES have DIED OUT.
What does it mean to become PETRIFIED?
What are FOSSILS?
Preserved remains of dead organisms.
What is a MOLD?
It's a hollow fossil.