Evolution and Diversity of Life (Lecture 12) Flashcards
This major event happened approximately 4.6 BYA and is the earliest event documented here.
Formation of the Earth
This major event happened approximately 3.5 BYA
Origin of Prokaryotes
This major event happened approximately 1.8 BYA
Origin of Single-Celled Eukaryotes
This major event happened approximately 1.5 BYA
Origin of Multicellular Eukaryotes
This major event happened approximately 650 MYA
The emergence of the earliest animals
This major event happened approximately 500 MYA
Colonization of Land by the earliest animals
This major event happened approximately 1.8 MYA
Arrival of the earliest Humans
This section of Pangea broke off into North America and Eurasia
Laurasia
This section of Pangea broke into South America, Africa, India, Australia, and Antarctica
Gondwana
This occurs when global environmental changes are rapid and disruptive, leading to most species being swept away in a relatively short amount of time.
Mass Extinctions
How many Mass Extinctions have occurred over the last 500 million years that we are aware of?
5 Mass Extinctions
This mass extinction, caused enormous volcanic eruptions in present day Siberia, claimed about 96% of marine animal species.
Permian Extinction
This mass extinction, caused be a large asteroid landing near the Yucatan Peninsula in Mexico, wiped out half of all marine species at the time and nearly all dinosaurs.
Cretaceous Extinction
In Biological Classification, how many Kingdoms and Domains are there?
5 Kingdoms
3 Domains
What are the 3 Domains?
Bacteria
Archaea
Eukarya
What are the 5 Kingdoms?
Monera
Protista
Fungi
Plantae
Animalia
Prokaryotic, unicellular organisms describes what Kingdom?
Monera
Eukaryotic, unicellular/multicellular, and very diverse describes what Kingdom?
Protista
Eukaryotic, heterotrophic, decomposers describes what Kingdom?
Fungi
Eukaryotic, autotrophic, and photosynthetic describes what Kingdom?
Plantae
Eukaryotic, heterotrophic, and motile describes what Kingdom?
Animalia
Coccus describes what shape of bacteria?
Spherical
Bacillus describes what shape of bacteria?
Rod-shaped
Spiral describes what shape of bacteria?
Long and curved