Causes of Extinction
T/F Extinction is also a natural phenomenon
True
T/F For an animal to go extinct there can be NO remaining animals alive
False
How many Eras are there?
4
Plates are part of the ____________ which slowly move and change shape over time
Lithosphere
Alfred Wegener received his PhD in:
A) Astronomy
B) Meteorology
C) Chemistry
D) Advertising
Astronomy
The #1 natural cause of extinction is ?
Climate Change
How many mass extinction events have occurred in Geological Time?
5
What period of time are we currently in?
Quaternary
Plate boundaries are geologically active and experience: (200 points for each correct answer, up to three)
Volcanoes
Earthquakes
Young Mountain Ranges
Name the only fruit with the seeds on the OUTSIDE
strawberries
Predators
Reduce food supply
Introduction of diseases
When 2/3rds of a species has been wiped how, it is referred to as this kind of exctinction
Mass extinction
The Jurassic period was in which ERA?
Mesozoic
The idea that the continents move freely over Earth’s surface, changing their positions relative to one another
Continental Drift
The 5 top causes of human caused extinction are? (300 points per reason)
Unsustainable Hunting/Gathering
Deforestation/Urban Development
Intentional/Unintentional Introduction of Parasites/Diseases
Pollution
Climate change
Shallow gene pools can promote massive inbreeding which results in a loss in _______________
Genetic Diversity
The loss of one species which leads to the extinction of another is called?
Coextinction
Spiders first showed up in which Period?
Devonian
The hypothesis that sea floor forms a mid-oceanic ridge crests and then moves horizontally away from the ridge towards oceanic trenches.
Sea Floor Spreading
What did Mr. Carnahan do before becoming a teacher?
A) Researcher
B) Administrator
C) Quality Control Specialist
D) None of the Above
E) A, B, C
E
One of the most influential causes of extinction which many times is caused/influenced by humans = ?
Habitat Degredation
Human controlled extinction on things like viruses is referred to as ?
Planned Extinction
Choose and Era, tell how many periods it had and some of the main events/life forms it had
Varies
Wegener had 5 pieces of Evidence for his Hypothesis of Continental Drift. What are they? (Must get all 5 to get the 500 points)
1. Pangea
2. JigSaw Fit
3. Matching Rock Types
4. Matching Mountain Ranges
5. Fossil Evidence
The variation of taxonomic life forms for a given biome or ecosystem which also indicates how "healthy" an ecosystem is called its ______________?
Biodiversity