Chapter 26 & 27
These two domains make up most of Earth’s life forms and are both prokaryotic.
What are Bacteria and Archaea?
This scientist developed postulates linking specific microbes to specific disease
Who is Robert Koch?
The branching evolutionary history of a group of organisms is called this.
What is a phylogeny?
The clade that includes all green algae and land plants is called _______.
What is Viridiplantae (green plants)?
Over half the cells in your body are not human; they make up your ________. (chapter 26 & 27)
What is the human microbiome?
This process, where one organism lives inside another, explains the origin of mitochondria.
What is endosymbiosis?
Naturally existing bacteria that degrade toxins can be encouraged by this process.
What is fertilizing contaminated sites?
The study of where species and populations are distributed geographically is called this.
What is biogeography?
This period, known as the “Age of Ferns,” was when coal deposits formed.
What is the Carboniferous Period?
Protists are considered a ________ group because they don’t share a single common ancestor with all their descendants. (chapter 26 & 27)
What is paraphyletic?
Protists that take up nutrients directly from their surroundings use this feeding mode.
What is absorptive feeding?
This heritable trait describes an organism’s ability to cause disease.
What is virulence?
A group that includes an ancestral species and some but not all of its descendants is called this.
What is a paraphyletic group?
Plants developed these compounds to protect against harmful UV radiation.
What are UV-absorbing compounds (like sunscreen)?
The asteroid impact 66 million years ago that wiped out most dinosaurs marks this extinction. (Chapter 25)
What is the End-Cretaceous extinction?
The use of microbes to clean up pollutants is called ______.
What is bioremediation?
Photosynthetic protists that drift in oceans or lakes are called _______.
What are plankton (or phytoplankton)?
This type of evolution produces analogous traits in distantly related organisms due to similar environmental pressures.
What is convergent evolution?
The egg-producing structure in plants is the _______.
What is the archegonium?
In angiosperms, the stamen contains this structure where pollen forms. (Chapter 28)
What is the anther?
Bacterial colonies protected by a polysaccharide-rich matrix are called ______.
What are biofilms?
Meiosis always results in cells that have half the chromosome number, changing from ______ to ______.
What is diploid to haploid?
uman-driven habitat loss, climate change, and overfishing are contributing to this modern extinction event.
What is the 6th mass extinction (Anthropocene extinction)?
Angiosperms are divided into these two groups based on the number of cotyledons.
What are monocots and eudicots?
A group that does not include the most recent common ancestor of its members is called this.(Chapter 25)
What is a polyphyletic group?