L1 Flashcards
What did SF experience during the late 19th century, and why
Population boom bc of gold rush
Nat’l Park, ____ of SF, created in what year
Yosemite Nat’l Park, East, 1890
Disasters that struck SF during ‘06
Earthquake and fire
Study of interaction of humans with the natural env
Env Sci
All conditions that surround an organism
Environment
4 envs
C limate
A ir and water
P resence of other organisms
S oil and other landforms
Including concepts and ideas from other fields of study
Interdisciplinary
Major Env problems
Resource depletion
Pollution
Loss of biodiversity
Can be replenished within a human lifetime, and example
Renewable resources. Timber, water
Can be replenished extremely slowly, if at all.
Nonrenewable resources. Coal, oil, minerals.
Degradation/undesired change in air water or soil that affects the health of living things, also its 2 kinds
Pollution. Biodegradable, nondegradable
Number of difft species present in one ecosystem
Biodiversity
Complete loss of species. Natural even accelerated by:
Extinction. Humans
___ major extinction events in earth’s history
5
Extinctions happening at a slow rate
Background rate