The New Precambrian

What are the building blocks of life that are responsible for creating proteins

• Amino Acids

• Carbohydrates

• RNA

• Nucleoli

Single-celled organisms that lack a nucleus and other organelles

• Eukaryote

• Zygote

• Prokaryote

• Hycarryote

The last life form that was the ancestor to all life that came afterward is called

• LAST

• LCUA

• UCLA

• LUCA

A calcareous mound built up of layers of lime-secreting cyanobacteria and trapped sediment that resemble reef-like structures

• Acolites

• Stromatolites

• Greenstone

• Shield

TRUE or FALSE- Metabolism is the chemical processes that occur within a living organism in order to maintain life.

• TRUE

• FALSE

TRUE or FALSE- Small Proterozoic continents known as microbes collided to create supercontinents, which resulted in the uplift of massive mountain ranges.

• TRUE

• FALSE

The oldest known fossils that are from organisms known to photosynthesize are

• fungi

• cyanobacteria

• RNA

• none of the above

Precambrian greenstone indicates the presence of

• volcanoes

• subduction zones

• cratons

• rift valleys

A eukaryote is different from a prokaryote because it has a _____________.

Photosynthesis uses carbon dioxide and nutrients in the presence of sunlight to create

• food energy and ozone.

• chloroplasts and ozone.

• food energy and oxygen.

• life.