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WorksheetsHUMAN POPULATION GROWTH: CRASH COURSE ECOLOGY #3
Total questions: 16
Worksheet time: 4hrs 0mins
WHAT IS THE R SELECTION THEORY?
ORGANISMS THAT AIM FOR EXPONENTIAL GROWTH
ORGANISMS THAT ONLY REPRODUCE WHAT THE HABITAT CAN HOLD
ORGANISMS THAT AIM FOR NO GROWTH
ORGANISMS THAT AIM FOR 50% GROWTH
WHAT IS THE K SELECTION THEORY?
ORGANISMS THAT AIM FOR EXPONENTIAL GROWTH
ORGANISMS THAT REPRODUCE FOR WHAT THE HABITAT CAN HANDLE
ORGANISMS THAT AIM FOR 50% GROWTH
ORGANISMS THAT AIM FOR NO GROWTH
THE SPECIES THAT REPRODUCE IN A WAY THAT LEADS TO VERY FAST GROWTH ARE CALLED...
R-SELECTED
K-SELECTED
P-SELECTED
Z-SELECTED
THESE SPECIES ONLY MAKE A FEW BABIES IN THEIR LIFETIME AND THEY INVEST IN THEM HEAVILY...
K-SELECTED
R-SELECTED
P-SELECTED
Z-SELECTED
WHICH CATEGORY DO HUMANS FIT INTO?
R-SELECTED SPECIES
K-SELECTED SPECIES
Z-SELECTED SPECIES
P-SELECTED SPECIES
WHICH ARE THE WAYS THAT HUMANS HAVE REDUCED THEIR LIMITING FACTORS?
INCREASED FOOD PRODUCTION
MEDICAL ADVANCES
SEWAGE SYSTEMS
ALL OF THE ABOVE
WHAT IS THE CARRYING CAPACITY OF THE HUMAN POPULATION?
NOBODY KNOWS
11 BILLION
15 BILLION
20 BILLION
WHAT IS THE AVERAGE ESTIMATE OF THE CARRYING CAPACITY FOR HUMANS?
10 - 15 BILLION
15 - 20 BILLION
20 - 25 BILLION
25 - 30 BILLION
A CALCULATION OF HOW MUCH LAND & HOW MANY RESOURCES A PERSON ON THE PLANET REQUIRES TO LIVE.
ECONOMIC FOOTPRINT
ECONOMICS
ECONOMIC HAND PRINT
ECONOMIC FOOD SUPPLY
BIOLOGISTS SAY THAT WE ARE CURRENTLY LIVING THROUGH THE BIGGEST...
EXTINCTION EVENT
BABY BOOM
SOLAR FLARES
EXTINCTION DECLINE
WHAT YEAR DID THE POPULATION GROWTH PEAK?
1960
1962
1970
1972
THE POPULATION HAS BEEN DECLINING SINCE 1962.
TRUE
FALSE
AT WHAT RATE WAS THE HUMAN POPULATION GROWING BEFORE 1962?
1.2%
2.2%
3.2%
4.2%
AT WHAT RATE HAS THE POPULATION BEEN DECLINING SINCE 1962?
0.1%
1.1%
3.1%
2.1%
THE HUMAN POPULATION GROWTH HAS SLOWED BECAUSE...
WOMEN ARE CHOOSING JOBS OVER CHILDREN
CONTRACEPTION
WOMEN ARE MORE EDUCATED NOW
ALL OF THE ABOVE
THIS IS WHEN THE EFFECTS OF REPRODUCTION WORK TO SLOW DOWN THE THE GROWTH RATE.
POSITIVE FEEDBACK LOOP
NEGATIVE FEEDBACK LOOP
EXTINCTION FEEDBACK LOOP
ALL OF THE ABOVE
