Ch15 Flashcards
1
Q
What caused the extinction of Megafauna?
A
- Environmental changes
- Human hunting
2
Q
Define extinction
A
when all individuals of a species died out leaving no living descendants
3
Q
Define fossils
A
remains or traces of a past-living organism
4
Q
Differentiate background & mass extinction
A
mass extinction are large scale loss over broad geographical areas, while background extinction happens all the time
5
Q
List the causes of background extinction
A
- predation
- disease
- combination of factors
