Exam 11: Geobiology: Life Interacts With Earth

Where would you find layered microbial communities (mats)?

The chemical element that is the fundamental building block of life is=

The radiation of life at the beginning of the Phanerozoic eon is known as the

What type of microbes would you expect to find in the hot springs of Yellowstone?

___________ is the process whereby animals change and adapt to new environments.

Molecules of ____________ are thought to have combined on the primitive Earth to form amino acids.

Miller,in his experiments to explore the origin of early life on Earth,was able to generate amino acids even in the absence of

_________ is another name for single-celled organisms.

A mineral that commonly encrusts microbes living in hot spring environments is

Stanley Miller's experiments to explore life-building chemical reactions that took place on the primitive Earth were able to generate

Photosynthesis arose in a group of bacteria known as

Organisms that produce their own energy are referred to as

Dense concentrations of microorganisms that cover surfaces are called

_________ record the presence of microbial mats during the Archean eon.

The study of geobiology is defined as

The fact that Miller,in his experiments to explore the origin of life,was able to generate amino acids in an anoxic setting suggests that early Earth had no

How many domains of life did the universal ancestor produce?

During respiration glucose combines with ________ to produce water and ________ and energy.

The process whereby plants create glucose is called

In which geologic environment would you expect to find thermophiles?