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HUMAN POPULATION GROWTH: CRASH COURSE ECOLOGY #3 Flashcards | StudBud
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HUMAN POPULATION GROWTH: CRASH COURSE ECOLOGY #3
HUMAN POPULATION GROWTH: CRASH COURSE ECOLOGY #3
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HUMAN POPULATION GROWTH: CRASH COURSE ECOLOGY #3
Flashcards
16 cards
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Questions
16
Answers
1
WHAT IS THE CARRYING CAPACITY OF THE HUMAN POPULATION?
11 BILLION
15 BILLION
NOBODY KNOWS
20 BILLION
2
THE POPULATION HAS BEEN DECLINING SINCE 1962.
FALSE
TRUE
3
WHAT YEAR DID THE POPULATION GROWTH PEAK?
1972
1962
1970
1960
4
WHAT IS THE AVERAGE ESTIMATE OF THE CARRYING CAPACITY FOR HUMANS?
15 - 20 BILLION
25 - 30 BILLION
20 - 25 BILLION
10 - 15 BILLION
5
AT WHAT RATE HAS THE POPULATION BEEN DECLINING SINCE 1962?
1.1%
2.1%
0.1%
3.1%
6
WHAT IS THE R SELECTION THEORY?
ORGANISMS THAT AIM FOR 50% GROWTH
ORGANISMS THAT AIM FOR NO GROWTH
ORGANISMS THAT AIM FOR EXPONENTIAL GROWTH
ORGANISMS THAT ONLY REPRODUCE WHAT THE HABITAT CAN HOLD
7
THESE SPECIES ONLY MAKE A FEW BABIES IN THEIR LIFETIME AND THEY INVEST IN THEM HEAVILY...
Z-SELECTED
K-SELECTED
R-SELECTED
P-SELECTED
8
THIS IS WHEN THE EFFECTS OF REPRODUCTION WORK TO SLOW DOWN THE THE GROWTH RATE.
POSITIVE FEEDBACK LOOP
EXTINCTION FEEDBACK LOOP
ALL OF THE ABOVE
NEGATIVE FEEDBACK LOOP
9
THE HUMAN POPULATION GROWTH HAS SLOWED BECAUSE...
WOMEN ARE CHOOSING JOBS OVER CHILDREN
CONTRACEPTION
WOMEN ARE MORE EDUCATED NOW
ALL OF THE ABOVE
10
BIOLOGISTS SAY THAT WE ARE CURRENTLY LIVING THROUGH THE BIGGEST...
BABY BOOM
SOLAR FLARES
EXTINCTION EVENT
EXTINCTION DECLINE
11
A CALCULATION OF HOW MUCH LAND & HOW MANY RESOURCES A PERSON ON THE PLANET REQUIRES TO LIVE.
ECONOMIC FOOD SUPPLY
ECONOMICS
ECONOMIC FOOTPRINT
ECONOMIC HAND PRINT
12
WHICH ARE THE WAYS THAT HUMANS HAVE REDUCED THEIR LIMITING FACTORS?
ALL OF THE ABOVE
SEWAGE SYSTEMS
MEDICAL ADVANCES
INCREASED FOOD PRODUCTION
13
AT WHAT RATE WAS THE HUMAN POPULATION GROWING BEFORE 1962?
2.2%
4.2%
1.2%
3.2%
14
WHICH CATEGORY DO HUMANS FIT INTO?
R-SELECTED SPECIES
K-SELECTED SPECIES
Z-SELECTED SPECIES
P-SELECTED SPECIES
15
THE SPECIES THAT REPRODUCE IN A WAY THAT LEADS TO VERY FAST GROWTH ARE CALLED...
K-SELECTED
Z-SELECTED
R-SELECTED
P-SELECTED
16
WHAT IS THE K SELECTION THEORY?
ORGANISMS THAT REPRODUCE FOR WHAT THE HABITAT CAN HANDLE
ORGANISMS THAT AIM FOR EXPONENTIAL GROWTH
ORGANISMS THAT AIM FOR 50% GROWTH
ORGANISMS THAT AIM FOR NO GROWTH
