Biology 3 - Lesson 7.1: Bacteria Diversity

Prokaryotes include both ______ and archaea

Fossils of bacteria have been recovered from rocks dated ______ billion years old

The success of prokaryotes on Earth can be attributed to their small size, relative simplicity, and their ability to grow and survive in varied ______

Growth and survival depend on the ability of organisms to sense and respond to external stimuli and to ______

Prokaryotes may have perfected the abilities to sense and respond to external stimuli and to ______

Archaea and bacteria have been through rapid evolution leading to their extraordinary ______

Archaea have limited ability to adapt to new situations and are restricted to dominating ______ environments

The emergence of antibiotic resistant clinical bacteria is proof of how they have developed over time the means to ______ the antibiotics humans can produce

Archaea and bacteria can also use different nutritional sources and essentially live off ______ matter

Prokaryotes are found in every ecosystem, on every surface, and even inside of our ______

Before Christian Gottfried Ehrenberg, a German naturalist, coined the term bacteria in 1838, they were first called as ______ by Anton van Leeuwenhoek in 1676.

Although most of the animalcules he observed in the pond water are now referred to as ______, Leeuwenhoek is still given the credit for the discovery of bacteria using his thumb screw microscope.

The term bacteria traditionally included all ______ organisms.

This classification changed in 1977 after Carl R. Woese sequenced and compared the 16S rRNA of some bacteria and concluded that those prokaryotes capable of withstanding extreme conditions evolved separately from the universal ancestor of all life forms. Woese showed that prokaryotes are divided into two distinct lineages: ______ and Bacteria.

To complete this learning guide, the students will need a ______ and paper.

After completing this learning guide, the students are expected to assess how structural and functional diversity of prokaryotes contribute to their success in colonizing different ______.

Christian Gottfried Ehrenberg coined the term bacteria in 1838.

Anton van Leeuwenhoek first called bacteria as animalcules in 1676.

The term bacteria traditionally included all prokaryotic organisms.

Archaea and Bacteria are two distinct lineages of prokaryotes.

Fossils of bacteria have been recovered from rocks dated 3 billion years old.

Prokaryotes are limited to dominating extreme environments.

Prokaryotes include both bacteria and archaea.

The emergence of antibiotic resistant clinical bacteria is proof of how they have developed over time the means to overcome the antibiotics humans can produce.

Fossils of bacteria have been recovered from rocks dated 3.8 billion years old.

Archaea have limited ability to adapt to new situations and are restricted to dominating harsh environments.

Prokaryotes may have perfected the abilities to sense and respond to external stimuli and to reproduce.

Archaea and bacteria can also use different nutritional sources and essentially live off organic matter.

The term bacteria traditionally included all prokaryotic organisms.

The success of prokaryotes on Earth can be attributed to their small size, relative simplicity, and their ability to grow and survive in varied environments.

Those prokaryotes that belong to the lineage Archaea include many species that can thrive in extreme environments.

After completing this learning guide, the students are expected to assess how structural and functional diversity of prokaryotes contribute to their success in colonizing different habitats.