Diseases
History of Life
Bacteria
Phylogenetics
Prokaryotes
100

This bacterial phylum is responsible for chlamydia.

What is chlamydiae?

100

The first known living organisms were part of this domaine.

What is bacteria?

100

This is the word for sphere-shaped bacteria.

What is coccus?

100

This term refers to a point on a phylogeny where two lineages split.

What is a node?

100

This term describes the use of living organisms to remove pollutants.

What is bioremediation?

200

This bacterial phylum is responsible for Leprosy.

What is Actinobacteria?

200

This is the term for the rapid diversification of modern animal phyla 542 Ma.

What is the Cambrian Explosion?

200
All bacteria have this molecule as at least a component of their cell wall.

What is peptidoglycan?

200

This structure in a phylogeny represents uncertainty.

What is a polytomy?

200

This domaine is the closest prokaryotic relative to our own.

What is Archaea?

300

This bacterial phylum is responsible for tetanus.

What is Firmicutes?

300

A chemolithoautotroph uses this as its source of carbon.

What is carbon dioxide?

300

This type of bacterial morphology includes a second cell membrane as part of its cell wall.

What is gram-negative?

300

Two taxa that are more closely related to each other than to any other taxa are considered this type of taxa.

What are sister taxa?

300

Prokaryotes reproduce by this process.

What is binary fission?
400

This bacterial phylum is responsible for meningitis.

What is Proteobacteria?

400

The evolution of multicellular life and chloroplasts occurred this long ago.

What is 1 Ga?

400

This bacterial phylum is known for being photosynthetic.

What is cyanobacteria?

400

This type of group includes an ancestor but not all of its descendants.

What is a paraphyletic group?

400

Prokaryotes lack this structure inside their cells that in eukaryotes contain DNA.

What is a nucleus?

500

This bacterial phylum is responsible for syphilis.

What is spirochaetes?

500

This is how long ago the first record of life appears in the fossil record.

What is 3.5 Ga?

500

This type of lateral gene transfer involves a cell collecting the genetic material of another dead cell.

What is transformation?

500

This type of group includes unrelated taxa without their most recent common ancestor.

What is a polyphyletic group?

500

This Archaean phylum is methanogenic.

What is Euryarchaea?